Watches
Model: Limited Citizen Code: 
Battery: lr521 or sr521
WCase: gray plastic case WBand: cream leather Face: white
Manual: No Box: Yes Light: No
Year: xxxx Price: xxxx
Function: Time and second
Info: Japanese limited edition watch 093/100 ,this watch was born as an advertising object, or was given as a gift to employees for the objectives achieved.
Model: Analogic DLP round Code: OK
Battery: lr521 or sr521
WCase: golden tone metal WBand: black leather Face: black
Manual: No Box: No Light: No
Year: xxxx Price: xxxx
Function: Time and second
Info: this watch was born as an advertising object, or was given as a gift to employees for the objectives achieved.
Model: Analogic DLP square Code: OK
Battery: lr521 or sr521
WCase: golden tone metal WBand: black leather Face: black
Manual: No Box: No Light: No
Year: xxxx Price: xxxx
Function: Time and second
Info: this watch was born as an advertising object, or was given as a gift to employees for the objectives achieved.
Model: Analogic DSP square Code: OK
Battery: lr521 or sr521
WCase: steel tone metal WBand: black leather Face: black/green
Manual: No Box: No Light: No
Year: xxxx Price: xxxx
Function: Time and second
Info: this watch was born as an advertising object, or was given as a gift to employees for the objectives achieved.
Model: Analogic one hand Code: OK
Battery: lr521 or sr521
WCase: white tone metal WBand: matching bracelet Face: white
Manual: No Box: No Light: No
Year: xxxx Price: xxxx
Function: Time and second
Info: This watch was born as an advertising object, or was given as a gift to employees for the objectives achieved.
Model: Analogic TI express Code: OK
Battery: lr521 or sr521
WCase: golden tone metal WBand: black leather Face: white
Manual: No Box: No Light: No
Year: xxxx Price: xxxx
Function: Time and second
Info: this watch was born as an advertising object, or was given as a gift to employees for the objectives achieved.
Model: Analogic Mos Memory Code: OK
Battery: lr521 or sr521
WCase: white tone metal WBand: white tone metal Face: white
Manual: No Box: No Light: No
Year: xxxx Price: xxxx
Function: Time, second and Day
Info: this watch was born as an advertising object, or was given as a gift to employees for the objectives achieved.
I have to thank Gaetano Perrella, former employee of Texas Instruments in Rieti for the donation!
Model: Analogic TI square Code: OK
Battery: lr521 or sr521
WCase: white tone metal WBand: black leather Face: white
Manual: No Box: No Light: No
Year: xxxx Price: xxxx
Function: Time and second
Info: this watch was born as an advertising object, or was given as a gift to employees for the objectives achieved.
Model: Analogic TWO hands Code: OK
Battery: lr521 or sr521
WCase: golden tone metal WBand: brown leather Face: white
Manual: No Box: No Light: No
Year: xxxx Price: xxxx
Function: Time and second
Info: the peculiarity of this watch is to have two dials with independent hands, this watch was born as an advertising object, or was given as a gift to employees for the objectives achieved.
| Chemistry | Diameter (mm) | Maxell | Generic | Duracell | Rayovac | Varta | Seiko | Citizen | Timex | NewTEC | AG/Alkaline Equivalent |
| Silver Oxide |
11,6 | SR44W | 357 | D357 | 357 | V357 | SB-B9 | - | J | SR1154PW | AG13 |
| SR43W | 386 | D386 | 386 | V386 | SB-B8 | 280-41 | H | SR1142PW | AG12 | ||
| SR1130W | 389 | D389 | 389 | V389 | SB-BU | 280-15 | M | SR1130PW | AG10 | ||
| SR1120W | 391 | D391 | 391 | V391 | SB-BS | 280-30 | L | SR1120PW | AG8 | ||
| SR1116W | - | - | - | - | - | - | - | SR1116PW | - | ||
| 9,5 | SR927W | 399 | D399 | 399 | V399 | SB-BP | 280-44 | W | SR927PW | AG7 | |
| SR920W | 370 | D370 | - | - | SB-BN | 280-51 | Z | SR920PW | AG6 | ||
| SR916W | - | D372 | - | - | - | 280-61 | - | SR916PW | - | ||
| 7,9 | SR41W | 392 | D392 | 392 | V392 | SB-B1 | 280-13 | K | SR736PW | AG3 | |
| SR726W | 396 | D396 | 396 | V396 | SB-BL | 280-52 | V | SR726PW | AG2 | ||
| SR721W | 361 | D361 | - | - | SB-BK | 280-53 | X | SR721PW | AG11 | ||
| SR754W | 309 | D309 | 309 | V309 | - | - | - | - | AG5 | ||
| 6,8 | SR626W | 43 | - | - | - | SB-BW | 280-72 | - | SR626PW | - | |
| SR621W | - | - | - | - | - | 280-70 | - | SR621PW | - | ||
| 11,6 | SR44W | 303 | D303 | 303-1 | V303 | SB-A9 | 280-08 | A | SR1154SW | AG13 | |
| SR43SW | 301 | D301 | 301-1 | V301 | SB-A8 | 280-01 | D | SR1142SW | AG12 | ||
| SR1136SW | 344 | D344 | - | V344 | - | - | - | SR1136SW | - | ||
| SR1130SW | 390 | D390 | - | V390 | SB-AU | 280-24 | - | SR1130SW | AG10 | ||
| SR1120SW | 381 | D381 | 381 | V381 | SB-AS | 280-27 | - | SR1120SW | AG8 | ||
| SR1116SW | - | D366 | 366 | - | - | 280-46 | - | SR1116SW | - | ||
| 9,5 | SR936SW | 394 | D394 | 394 | V394 | SB-A4 | 280-17 | - | SR936SW | AG9 | |
| SR927SW | 395 | D395 | 395 | V395 | SB-AP | 280-48 | - | SR927SW | AG7 | ||
| SR920SW | 371 | D371 | 371 | V371 | SB-AN | 280-31 | - | SR920SW | AG6 | ||
| SR916SW | 373 | D373 | 373 | V373 | SB-AJ | 280-45 | - | SR916SW | - | ||
| 7,9 | SR41SW | 384 | D384 | 384 | V384 | SB-A1 | 280-18 | - | SR736SW | AG3 | |
| SR731SW | 329 | - | - | V329 | - | - | - | SR731SW | - | ||
| SR726SW | 397 | D397 | 397 | V397 | SB-AL | 280-28 | N | SR726SW | AG2 | ||
| SR721SW | 362 | D362 | 362 | V362 | SB-AK | 280-29 | S | SR721SW | AG11 | ||
| SR716SW | 315 | D315 | - | V315 | SB-AT | 280-56 | HA | SR716SW | - | ||
| SR712SW | - | - | - | - | SB-AH | 280-66 | - | SR712SW | - | ||
| 6,8 | SR626SW | 377 | D377 | 377 | V377 | SB-AW | 280-39 | BA | SR626SW | AG4 | |
| SR621SW | 364 | D364 | 364 | V364 | SB-AG | 280-34 | T | SR621SW | AG1 | ||
| SR616SW | 321 | D321 | 321 | V321 | SB-AF | 280-73 | DA | SR616SW | - | ||
| 5,8 | SR527SW | 319 | - | - | - | SB-AE | 280-60 | - | SR527SW | - | |
| SR521SW | 379 | D379 | - | V379 | SB-AC | 280-59 | JA | SR521SW | AG0 | ||
| SR516SW | 317 | D317 | - | V317 | SB-AR | 280-58 | CA | SR516SW | - | ||
| SR512SW | - | - | - | - | SB-AB | 280-68 | - | SR512SW | - | ||
| 4,8 | SR421SW | - | - | - | - | SB-A6 | 280-77 | - | SR421SW | - | |
| SR416SW | 337 | - | - | - | SB-A5 | 280-75 | - | SR416SW | - | ||
| Alkaline | 11,6 | LR44 | LR44 | PX76A675PK | RW82 | V13GA | - | - | KA | LR44 | AG13 |
| LR43 | LR43 | LR43 | 186-1 | V12GA | - | - | - | LR43 | AG12 | ||
| LR1130 | - | LR54 | 189-1 | V10GA | - | - | - | LR1130 | AG10 | ||
| LR1120 | - | LR55 | - | V8GA | - | - | - | LR1120 | AG8 | ||
| 7,9 | LR41 | - | - | - | V36A | - | 280-902 | GA | LR41 | AG3 | |
| Lithium Manganese |
20 | CR2032 | CR2032 | DL2032 | E-CR2032 | CR2032 | SB-T51 | - | - | CR2032 | - |
| CR2025 | CR2025 | DL2025 | E-CR2025 | CR2025 | SB-T14 | 280-205 | - | CR2025 | - | ||
| CR2016 | CR2016 | DL2016 | E-CR2016 | CR2016 | SB-T11 | 280-206 | FA | CR2016 | - | ||
| CR2012 | - | - | - | - | SB-T15 | 280-207 | - | CR2012 | - | ||
| 16 | CR1620 | - | DL1620 | - | CR1620 | - | - | - | CR1620 | - | |
| CR1616 | - | DL1616 | - | CR1616 | - | 280-209 | - | CR1616 | - | ||
| 12,5 | CR1220 | CR1220 | DL1220 | - | CR1220 | SB-T13 | - | - | CR1220 | - | |
| CR1216 | - | DL1216 | - | CR1216 | - | - | - | CR1216 | - | ||
| 10 | CR1025 | - | DL1025 | - | - | - | - | - | CR1025 | - |
No + Available:
LR55, LR1120, V8GA, CR2012, SB-T15, 280-207
SR-40 The entry line uses a 9-digit LED-stick giving either 8 digits display in normal mode or 5+2 digits in scientific mode.
The upper line uses a 12-digit LED-stick giving either 8 or 10 digits in normal mode and 8+2 digits in scientific mode. The calculators use an ON/OFF slider.
inside the calculator, display and keyboard
how is an LCD watch made?
we see its parts inside, this is the PCB with some components.
some printed circuit boards with and without components.
micro lamps
LCD display
conductive rubber strip 
Model: TI-desktop Code: OK
Battery: 1 x AA
WCase: gray plastic / wooden outline WBand: - Face: Large LCD
Manual: no Box: Yes Light: no
Year: 1978 Price: ? $
Function: Clock with desktop calculator, displaying the date and days of the week. Alarm clock with alarm and constant display of hours, minutes, seconds, month, date and day of the week.
Info: Gadget created for promotional events or as a gift for employees.
Model: TI-2010 Code: OK
Battery: 1 x AA
WCase: black plastic / silver finish WBand: --- Face: LCD
Manual: no Box: Yes Light: no
Year: 1978 Price: ? $
Function: Alarm clock with alarm and constant display of hours, minutes.
Info: Gadget created for promotional events or as a gift for employees.
Model: TI-diplomat Code: ok
Battery: 309
WCase: black plastic WBand: fabric bag Face: black frame
Manual: Yes Box: No Light: no
Year: 1995 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: Gadget created for promotional events or as a gift for employees. Made in China.
Model: TI-131-11 Code: ok
Battery: CR2025
WCase: black plastic WBand: black rubber Face: black frame
Manual: Yes Box: No Light: no
Year: 1981 Price: $ 28.00
Function: For swimmers, snorkelers,sports enthusiasts and everyone who gets his watch wet. Tested water resistant to a submerged depth of 81 feet, 3 ATM. Features: hours, minutes, seconds or date, day-of-week and incandescent backlight.he watch has five functions- hours, minutes, seconds, month and date
Info:
Model: TI-3053-31 Code: ok
Battery: 2 x V392
WCase: white tone metal WBand: matching bracelet Face: black/blue frame
Manual: No Box: No Light: Yes
Year: 1979 Price: $
Function:
Info:
Model: TI-351-03 Code: ok
Battery: AG5 or 393
WCase: white tone metal WBand: matching bracelet Face: black/blue frame
Manual: No Box: No Light: No
Year: 1979 Price: $
Function:
Info: The same model in gold tone TI-351-04
Model: TI-351-04 Code: ok
Battery: AG5 or 393
WCase: gold tone metal WBand: matching bracelet Face: brown frame
Manual: Yes Box: Yes Light: No
Year: 1979 Price: $
Function:
Info: The same model in TI-351-03
Model: TI-351-05 Code: my
Battery: AG5 or 393
WCase: gold tone metal WBand: matching bracelet Face: black frame
Manual: Yes Box: Yes Light: No
Year: 1979 Price: $
Function:
Info: The same model in white tone metal TI-351-06
MModel: TI-351-06 Code: my
Battery: AG5 or 393
WCase: white tone metal WBand: matching bracelet Face: black frame
Manual: Yes Box: Yes Light: No
Year: 1979 Price: $
Function:
Info: The same model in gold tone metal TI-351-05
Model: TI-354-04 Code: ok
Battery: 392
WCase: gold tone metal WBand: matching bracelet Face: black
Manual: No Box: No Light: No
Year: 1979 Price: $
Function:
Info: The same model in white tone TI-354-05
Model: TI-354-05 Code: my/ missing
Battery: 392
WCase: whitetone metal WBand: matching bracelet Face: black frame
Manual: No Box: No Light: No
Year: 1979 Price: $
Function:
Info: The same model in gold tone TI-354-04
Model: TI-3551-31 Code: ok
Battery: 392 Module: 1035758_8
WCase: white tone metal WBand: black leather bracelet Face: black frame with white line
Manual: Yes Box: No Light: Yes
Year: xxx Price: $
Function: The watch has five functions: hours, minutes, seconds, month and date, and the day of the week display.
Info:
Model: TI-3552-11 Code: my code
Battery: 392
WCase: gold tone metal WBand: matching bracelet Face: black frame with white line
Manual: Yes Box: No Light: yes
Year: xxxPrice: xxxx
Function: Men's chronograph with two time zoneand 24-hour alarm.Displays hours , minutes,seconds,month,date, day of week,am/pm,alternate time zone, alarm and stopwatch-for added convenience, 5 minute snoze alarm. He watch has five functions- hours, minutes, seconds, month and date, with light.
Info: The same model in white tone metal is TI-3552-12
Model: TI-3552-12 Code: my code
Battery: V392
WCase: white tone metal WBand: matching bracelet Face: black frame with white line
Manual: Yes Box: No Light: yes
Year: xxxPrice: xxxx
Function: Men's chronograph with two time zoneand 24-hour alarm.Displays hours , minutes,seconds,month,date, day of week,am/pm,alternate time zone, alarm and stopwatch-for added convenience, 5 minute snoze alarm. He watch has five functions- hours, minutes, seconds, month and date, with light.
Info: The same model in gold tone metal is TI-3552-11
Model: TI-3552-31 Code: ok
Battery: 392 Module: 1035758_8
WCase: white tone metal WBand: black leather bracelet Face: gray frame / silver line
Manual: Yes Box: No Light: Yes
Year: xxx Price: $
Function: The watch has five functions: hours, minutes, seconds, month and date, and the day of the week display.
Info:
Model: TI-3553-11 Code: my
Battery: LR41 Module: 1035057_8
WCase: gold tone metal WBand: matching bracelet Face: brown/gold frame
Manual: Yes Box: No Light: Yes
Year: 1979 Price: xxxx
Function: The watch has five functions: hours, minutes, seconds, month and date, and the day of the week display.
Info: The same model in white tone metalTI-3553-21
Model: TI-3553-21 Code: ok
Battery: 392 Module: 1035057_8
WCase: gold tone metal WBand: black leather Face: brown/gold frame
Manual: Yes Box: No Light: Yes
Year: 1979 Price: xxxx
Function: The watch has five functions: hours, minutes, seconds, month and date, and the day of the week display.
Info: The same model in white tone metalTI-3553-31
Model: TI-3553-31 Code: ok
Battery: 392 Module: 1035057_8
WCase: white tone metal WBand: matching bracelet Face: blue frame/ silver frame
Manual: Yes Box: No Light: Yes
Year: 1979 Price: xxxx
Function: The watch has five functions: hours, minutes, seconds, month and date, and the day of the week display.
Info:The same model in gold tone metal TI-3553-21
Model: TI-3553-41 Code: my
Battery: 392 Module: 1035057_8
WCase: white tone metal WBand: matching bracelet Face: black frame / silver frame
Manual: Yes Box: No Light: Yes
Year: 1979 Price: xxxx
Function: The watch has five functions: hours, minutes, seconds, month and date, and the day of the week display.
Info:The same model in gold tone metal TI-3553-21
Model: TI-363-31 Code: ok
Battery: AG5 Module: 026
WCase: white tone metal WBand:matching bracelet Face: black frame with white line
Manual: Yes Box: No Light:yes
Year: 1981 Price: $ 40.00
Function: The watch has five functions: hours, minutes, seconds, month and date, and the day of the week display.
Info: The same model in gold tone metal TI-363-41
Model: TI-363-41 Code: ok
Battery: AG5 Module: 026
WCase: gold tone metal WBand: matching bracelet Face: black frame with white line
Manual: Yes Box: No Light: yes
Year: 1981 Price: $ 40.00
Function: The watch has five functions: hours, minutes, seconds, month and date, and the day of the week display.
Info: The same model in white tone metal TI-363-31
Model: TI-441-03 Code: ok
Battery: AG5 or 393 Module: 1033805
WCase: gold tone metal WBand: matching bracelet Face: gray/silver frame
Manual: No Box: No Light: Yes
Year: 1981 Price: $ 33.00
Function:
Info: The same model in gold tone TI-441-04
Model: TI-441-04 Code: ok
Battery: AG5 or 393 Module: 1033805
WCase: gold tone metal WBand: matching bracelet Face: gray/gold frame
Manual: No Box: No Light: Yes
Year: 1981 Price: $ 43.00
Function:
Info: The same model in white tone TI-441-03
Model: TI-441-06
Battery: LR 754 or AG5
WBand: matching bracelet
WCase: golden tone lite
Manual: Box / Instr. / Manual
Year: 1981
Price: $ 43.00
Info: code my
Model: TI-441A-40 Code: my
Battery: LR41 Module: 809008
WCase: gold tone metal WBand: matching bracelet Face: black/gold frame
Manual: Yes Box: Blue Light: yes
Year: xxx Price: xxxx
Function: Men's watch displays hours, minutes, seconds, month, date, and day of the week. The watch has five functions: hours, minutes, seconds, month, date, and stopwatch, with illumination.
Info:
Model: TI-441A-41 Code: OK
Battery: LR41 Module: 809008
WCase: gold tone metal WBand: matching bracelet Face: black/gold frame
Manual: Yes Box: Blue Light: yes
Year: xxx Price: xxxx
Function: Men's watch displays hours, minutes, seconds, month, date, and day of the week. The watch has five functions: hours, minutes, seconds, month, date, and stopwatch, with illumination.
Info: Thanks to Dennis (USA) for giving me the directions regarding the Texa Instruments code.
Model: TI-451-01 Code: Ok
Battery: AG5
WCase: gold tone metal WBand: matching bracelet Face: Brown with LCD quartz writing
Manual: Yes Box: No Light: Tritium Light
Year: 1977 Price: $ 19.97
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: Thee same model but with a different frame and writing, TI-451-02 , TI-451-03
Model: TI-451-02 Code: Ok
Battery: AG5
WCase: gold tone metal WBand: matching bracelet Face: Brown without the LCD quartz writing
Manual: Yes Box: No Light: Tritium Light
Year: 1977 Price: $ 19.97
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: Thee same model but with a different frame and writing, TI-451-01 , TI-451-03
Model: TI-451-03 Code: Ok
Battery: AG5
WCase: white tone metal WBand: matching bracelet Face: light brown without the LCD quartz writing
Manual: Yes Box: No Light: Tritium Light
Year: 1977 Price: $ 19.97
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: Thee same model but with a different frame and writing, TI-451-01 , TI-451-02
Model: TI-452-04
Battery: AG5 or 393
WBand: steel gold
WCase: steel gold
Manual: yes
Year:
Info: code ok
Model: TI-454-41
Battery: AG5 or 393
WBand: steel
WCase: steel gold
Manual:
Year:
Info: with lamp light
Model: TI-455-31 Code: ok
Battery: AG5 or 393
WCase: white tone metal WBand: matching bracelet Face: blue frame
Manual: No Box: No Light: Yes
Year: 1978 Price: $
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: The same model with black frame TI-455-32
Model: TI-455-32 Code: my code
Battery: AG5 or 393 Module: 1015471_A
WCase: white tone metal WBand: matching bracelet Face: black frame
Manual: No Box: No Light: Yes
Year: 1978 Price: $
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: The same model with blue frame TI-455-31
Model: TI-456-01 Code: ok from ebay
Battery: AG5 or 393
WCase: white tone metal WBand: matching bracelet Face: gray frame
Manual: Yes Box: No Light: Tritium light
Year: 1977 Price: $
Function: The watch has five functions- hours, minutes, seconds, month and date.
Info:
Model: TI-457-06
Battery: LR 754
WBand: gold steel
WCase: gold steel
Manual: Box / Instr. / Manual
Year: 1979
Price: $ 11.99
Info: code ok
Model: TI-459-04 Code: Ok
Battery: AG5 Module:
WCase: gold tone metal WBand: matching bracelet Face: black frame with gold write
Manual: Yes Box: No Light: Tritium
Year: 1976 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: the same model in white tone metal TI-459-05
Model: TI-459-05 Code: my
Battery: AG5 Module:
WCase: gold tone metal WBand: matching bracelet Face: brown frame with silver write
Manual: Yes Box: No Light: Tritium
Year: 1976 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: the same model in white tone metal TI-459-04
Model: TI-459-21 Code: my
Battery: 309
WCase: gold tone metal WBand: matching bracelet Face: brown frame
Manual: Yes Box: No Light: bulb
Year: 1980 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: the same model in white tone metal TI-459-31
Model: TI-459-31 Code: Ok
Battery: 309
WCase: white tone metal WBand: matching bracelet Face: black frame
Manual: Yes Box: No Light: bulb
Year: 1980 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: the same model in gold tone metal TI-459-21
Model: TI-461-01
Battery: AG5 or 393
WBand: matching adjustable bracelet
WCase: white metal / blue frame
Manual:
Year:
Info:code ok
Model: TI-461-02
Battery: AG5 or 393
WBand: matching gold bracelet
WCase:gold metal / black frame
Manual:
Year:
Info: code ok
Model: TI-4652-11 Code: ok
Battery: AG5 or 393
WCase: white tone metal WBand: rleather bracelet Face: black frame with blue line
Manual: Yes Box: No Light: yes
Year: 1979 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date, with light.
Info: Wristwatch donated by Luigi Borgna / the same model is TI-4652-31 / the module inside is Lambda Electronics

Model: TI-4652-31 Code: ok
Battery: AG5 or 393
WCase: white tone metal WBand: matching bracelet Face: black frame with blue line
Manual: Yes Box: No Light: yes
Year: 1979 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date, with light.
Info: Wristwatch the same model is TI-4652-11 / the module inside is Lambda Electronics
Model: TI-466-01 Code: ?
Battery: AG5 or 393 Module: 1033805
WCase: gold tone metal WBand: matching bracelet Face: copper frame
Manual: No Box: No Light: No
Year: 1979 Price: $
Function:
Info:
Model: TI-466-02 Code: ?
Battery: AG5 or 393 Module: 1033805
WCase: gold tone metal WBand: matching bracelet Face: light copper frame
Manual: No Box: No Light: No
Year: 1979 Price: $
Function:
Info:
Model: TI-551-02 Code: Ok
Battery: 309 Module: 1015471-E
WCase: brown plastic WBand: matching bracelet Face: silver frame
Manual: Yes Box: No Lamp: Tritium
Year: 1977 Price: $ 19.90
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: the same model in black TI-551-10
Model: TI-551-10 Code: Ok
Battery: 309 Module: 1015471-E
WCase: black plastic WBand: matching bracelet Face: silver frame
Manual: Yes Box: No Lamp: Tritium
Year: 1977 Price: $ 19.90
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: the same model in brown TI-551-02
Model: TI-552-10 Code: Ok
Battery: AG5Module: 1015471-E
WCase: black plastic WBand: black leather bracelet Face: LCD
Manual: Yes Box: No Light: Tritium Light
Year: 1977 Price: $ 19.97
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: Thee same model but with a different frame and writing, TI-552-20
MModel: TI-552-20 Code: Ok
Battery: AG5Module: 1015471-E
WCase: brpwn plastic WBand: brown leather bracelet Face: LCD
Manual: Yes Box: No Light: Tritium Light
Year: 1977 Price: $ 19.97
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: Thee same model but with a different frame and writing, TI-552-10
Model: TI-554-01
Battery: LR 754
WBand: black plastic
WCase: black plastic
Manual: Box / Instr. / Manual
Year: 1979
Price: $ 11.99
Info: Tritium backlight / code ok
Model: TI-554-02
Battery: 392
WBand: brown rubber
WCase: brown plastic
Manual: no
Year: 1979
Price: $ 11.99
Info: Tritium backlight / code ok
Model: TI-555-10 Code: ok
Battery: AG5
WCase: black plastic WBand: black rubber Face: black frame with red button (CMD)
Manual: Yes Box: No Light: no
Year: 1979 Price: $ 15.00
Function: The watch has five functions- hours, minutes, seconds, month and date.
Info: the same model is TI-5550-10
Model: TI-5550-10 Code: ok
Battery: AG5
WCase: black plastic WBand: black rubber Face: black frame with gold button (CMD)
Manual: Yes Box: No Light: no
Year: 1979 Price: $ 15.00
Function: The watch has five functions- hours, minutes, seconds, month and date.
Info: the same model is TI-555-10
Model: TI-558-01
Battery: AG5 or 393
WBand: Black plastic strap
WCase: White Tone Lite
Manual:
Year: 1981
Info: missing / with lamp light / code ok
Model: TI-558-02
Battery: AG5 or 393
WBand: Brown plastic strap
WCase: Golden Tone Lite
Manual:
Year: 1981
Info: with lamp light / code ok
Model: TI-558-03
Battery: AG5 or 393
WBand: Matching metal bracelet
WCase: White Lite Case
Manual:
Year: 1981
Info: code ok
Model: TI-558-04
Battery: AG5
WBand: Matching metal bracelet
WCase: Golden Tone Lite
Manual:
Year: 1981
Info:code ok
Model: TI-558-10
Battery: AG5
WBand: Matching metal bracelet
WCase: white Tone Lite
Manual:
Year:
Info: code my
Model: TI-561-11 (TI-500)Code: Ok
Battery: 309
WCase: black plastic WBand: rubber matching bracelet Face: blue frame
Manual: Yes Box: No Lamp: bulb
Year: 1980 Price: xxxx
Function: The watch has six functions- hours, minutes, seconds, month , date and light
Info: red and green buttons, the same model with the writing TI-250 TI-565-10
Model: TI-561-11 (TI-500 prototype)Code: Ok
Battery: 309
WCase: black plastic WBand: rubber matching bracelet Face: blue frame
Manual: Yes Box: No Lamp: bulb
Year: 1980 Price: xxxx
Function: The watch has six functions- hours, minutes, seconds, month , date and light
Info: prototype created in the Rieti laboratories, for possible productions, red and green buttons, the same model with the writing TI-500 TI-561-11
Model: TI-565-10 (TI-250) Code: Ok
Battery: 309
WCase: black plastic WBand: rubber matching bracelet Face: blue frame
Manual: Yes Box: No Light: bulb
Year: 1980 Price: xxxx
Function: The watch has six functions- hours, minutes, seconds, month , date and light
Info: gray buttons, the same model without the writing TI-565-11
Model: TI-565-11Code: Ok
Battery: 309
WCase: black plastic WBand: rubber matching bracelet Face: blue frame
Manual: YesBox: No Light: bulb
Year: 1980 Price: xxxx
Function: The watch has six functions- hours, minutes, seconds, month , date and light
Info: Gray buttons, the same model with the writing Texas Instruments TI-565-10





















































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