TI Museum
Model: TI-103 (GT103S05) Code: Ok
Battery: 2 x AG-12
WCase: gold tone metal WBand: matching bracelet Face: red
Manual: Yes (with permission www.datamath.org) Box: No Light: led
Year: 1975 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: the same model in steel tone metal TI-103 steel
Model: TI-103 (SS103S05) Code: Ok
Battery: 2 x AG-12
WCase: steel tone metal WBand: matching bracelet Face: red
Manual: Yes (with permission www.datamath.org) Box: No Light: led
Year: 1975 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info:the same model in gold tone metal TI-103 gold
Model: TI-104 (SS104S06) Code: Ok
Battery: 2 x AG-12
WCase: gold tone metal WBand: matching bracelet Face: red
Manual: Yes (with permission www.datamath.org) Box: No Light: led
Year: 1975 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: the same model in steel tone metal TI-104 steel
Model: TI-104 (GT104G06) Code: Ok
Battery: 2 x AG-12
WCase: steel tone metal WBand: matching bracelet Face: red
Manual: Yes (with permission www.datamath.org) Box: No Light: led
Year: 1975 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info:the same model in gold tone metal TI-104 gold
Model: TI-401-02 Code: Ok
Battery: 2 x AG-12
WCase: gold tone metal WBand: matching bracelet Face: red
Manual: YesBox: No Light: led
Year: 1976 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: the same model in steel tone metal TI-401-03, TI-401-05
Model: TI-401-03 Code: Ok
Battery: 2 x AG-12
WCase: steel tone metal WBand: matching bracelet Face: red
Manual: YesBox: No Light: led
Year: 1976 Price: $ 28.98
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: the same model in gold tone metal TI-401-02
Model: TI-401-05 Code: Ok
Battery: 2 x AG-12
WCase: steel tone metal WBand: balck leather bracelet Face: red
Manual: YesBox: No Light: led
Year: 1976 Price: $ 28.98
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: the same model in gold tone metal TI-401-02, TI-401-03
Model: TI-402-01 Code: Ok
Battery: 2 x AG-12
WCase: black tone metal WBand: matching bracelet Face: red / gold frame
Manual: Yes Box: No Light: led
Year: 1976 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: the same model in different frame TI-402-02
Model: TI-402-02 Code: Ok
Battery: 2 x AG-12
WCase: black tone metal WBand: matching bracelet Face: red / steel frame
Manual: Yes Box: No Light: led
Year: 1976 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: the same model in different frame TI-402-01
Model: TI-402-03 Code: Ok
Battery: 2 x AG-12
WCase: steel tone metal WBand: matching bracelet Face: red / gold frame
Manual: Yes Box: No Light: led
Year: 1976 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: the same model in different frame TI-402-01 TI-402-02
Model: TI-403-03 Code: Ok
Battery: 2 x AG-12
WCase: steel tone metal WBand: matching bracelet Face: red
Manual: Yes Box: No Light: led
Year: 1976 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: the same model in gold tone metal TI-403-04
Model: TI-403-04 Code: Ok
Battery: 2 x AG-12
WCase: gold tone metal WBand: matching bracelet Face: red
Manual: Yes Box: No Light: led
Year: 1976 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: the same model in gold tone metal TI-403-03
Model: TI-404-10 Code: Ok
Battery: 2 x AG-12
WCase: steel tone metal WBand: matching bracelet Face: red
Manual: Yes Box: No Light: led
Year: 1976 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: the same model in gold tone metal TI-404-11
Model: TI-404-11 Code: Ok
Battery: 2 x AG-12
WCase: gold tone metal WBand: matching bracelet Face: red
Manual: Yes Box: No Light: led
Year: 1976 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: the same model in steel tone metal TI-404-10
Model: TI-405-31 Code: Ok
Battery: 2 x AG-12
WCase: steel tone metal WBand: matching bracelet Face: red
Manual: Yes Box: No Light: led
Year: 1976 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: the same model in gold tone metal TI-405-41
Model: TI-405-41 Code: Ok
Battery: 2 x AG-12
WCase: gold tone metal WBand: matching bracelet Face: red
Manual: Yes Box: No Light: led
Year: 1976 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: the same model in steel tone metal TI-405-31
Audio Guide
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Model: TI-501-01 Code: Ok
Battery: 2 x AG-12 Module: 54D_1
WCase: black plastic WBand: rubber matching bracelet Face: red
Manual: Yes Box: No Light: led
Year: 1979 Price: $ 19.90
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: same model in various color TI-501-02 TI-501-03 TI-501-04
My first watch !!! This was the first watch my parents, Teresa and Giorgio, gave me in the 1970s, one of the reasons my passion for Texas Instruments was born. The factory (Cittaducale, Rieti, Italy) was located near my home and was the beating heart of a true technological revolution.
Model: TI-501-02 Code: Ok
Battery: 2 x AG-12
WCase: brown plastic WBand: rubber matching bracelet Face: red
Manual: Yes Box: No Light: led
Year: 1979 Price: $ 19.90
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: same model in various color TI-501-01 TI-501-03 TI-501-04
Model: TI-501-03 Code: my
Battery: 2 x AG-12
WCase: cyan plastic WBand: rubber matching bracelet Face: red
Manual: Yes Box: No Light: led
Year: 1979 Price: $ 19.90
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: same model in various color TI-501-01 TI-501-02 TI-501-04
Model: TI-501-01 Code: Ok
Battery: 2 x AG-12
WCase: cream plastic WBand: rubber matching bracelet Face: red
Manual: Yes Box: No Light: led
Year: 1979 Price: $ 19.90
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: same model in various color TI-501-01 TI-501-02 TI-501-03
Model: TI-502-01 Code: Ok
Battery: 2 x AG-12
WCase: black plastic WBand: leather matching bracelet Face: red
Manual: Yes Box: No Light: led
Year: 1979 Price: $ 19.90
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: same model in various color TI-502-02 TI-502-11
Model: TI-502-02 Code: Ok
Battery: 2 x AG-12
WCase: brown plastic WBand: leather matching bracelet Face: red
Manual: Yes Box: No Light: led
Year: 1979 Price: $ 19.90
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: same model in various color TI-502-01 TI-502-11
Model: TI-502-04 Code: my
Battery: 2 x AG-12
WCase: white plastic WBand: trasparent plastic bracelet Face: red
Manual: Yes Box: No Light: led
Year: 1979 Price: $ 19.90
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: same model in various color
Model: TI-502-05 Code: my
Battery: 2 x AG-12
WCase: white plastic WBand: white plastic bracelet Face: red
Manual: Yes Box: No Light: led
Year: 1979 Price: $ 19.90
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: same model in various color
Model: TI-502-06 Code: Ok
Battery: 2 x AG-12
WCase: brown plastic WBand: black/brown leather bracelet Face: red
Manual: Yes Box: No Light: led
Year: 1979 Price: $ 19.90
Function: The watch has five functions- hours, minutes, seconds, month and date
Info:
Model: TI-502-08 Code: ok
Battery: 2 x AG-12
WCase: saddle brown plastic WBand: strap. Sport styling Face: red
Manual: Yes Box: No Light: led
Year: xxxxPrice: $
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: same model in various color TI-502-01 TI-502-11
Model: TI-502-11 Code: Ok
Battery: 2 x AG-12
WCase: white plastic WBand: flowers leather matching bracelet Face: red
Manual: Yes Box: No Light: led
Year: 1979 Price: $ 19.90
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: same model in various color TI-502-01 TI-502-02
Model: TI-503-01 Code: ok
Battery: 2 x AG-12
WCase: black plastic WBand: rubber matching bracelet Face: red / racing car frame
Manual: Yes Box: No Light: led
Year: 1979 Price: $ 19.90
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: same model in various frame TI-503-02 TI-503-03 TI-503-04 TI-503-05
Cute stickers to apply on the watch under the display, to make it more lively.
Model: TI-503-02 Code: ok
Battery: 2 x AG-12
WCase: brown plastic WBand: rubber matching bracelet Face: red / eagle inlay frame
Manual: Yes Box: No Light: led
Year: 1979 Price: $ 19.90
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: same model in various frame TI-503-01 TI-503-03 TI-503-04 TI-503-05
Model: TI-503-03 Code: ok
Battery: 2 x AG-12
WCase: grey plastic WBand: rubber matching bracelet Face: red / racing strip frame
Manual: Yes Box: No Light: led
Year: 1979 Price: $ 19.90
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: same model in various frame TI-503-02 TI-503-01 TI-503-04 TI-503-05
Model: TI-503-04 Code: ok
Battery: 2 x AG-12
WCase: black plastic WBand: rubber matching bracelet Face: red / silver inlay frame
Manual: Yes Box: No Light: led
Year: 1979 Price: $ 19.90
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: same model in various frame TI-503-02 TI-503-03 TI-503-01 TI-503-05
Model: TI-503-05 Code: ? verify
Battery: 2 x AG-12
WCase: white plastic WBand: rubber matching bracelet Face: red / silver inlay frame
Manual: Yes Box: No Light: led
Year: 1979 Price: $ 19.90
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: same model in various frame TI-503-02 TI-503-03 TI-503-04 TI-503-01
Model: TI-504-01 Code: ok
Battery: 2 x AG-12
WCase: brown plastic WBand: black/brown leather bracelet Face: red / silver frame
Manual: Yes Box: Yes Light: led
Year: 1977 Price: L. 25.00
Function: The watch has five functions- hours, minutes, seconds, month and date
Info:
Model: TI-525-01 Code: Ok
Battery: 2 x AG-12
WCase: black plastic WBand: matching bracelet Face: red / inlay silver frame
Manual: Yes Box: No Light: led
Year: 1979 Price: $ 19.90
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: same model in various color TI-525-02 TI-525-03
Model: TI-525-02 Code: Ok
Battery: 2 x AG-12
WCase: brown plastic WBand: matching bracelet Face: red / inlay silver frame
Manual: Yes Box: No Light: led
Year: 1979 Price: $ 19.90
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: same model in various color TI-525-01 TI-525-03
Model: TI-525-03 Code: Ok
Battery: 2 x AG-12
WCase: black plastic WBand: black/white metal bracelet Face: red / inlay black frame
Manual: Yes Box: No Light: led
Year: 1979 Price: $ 19.90
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: same model in various color TI-525-02 TI-525-01
Model: TI-526-01 Code: Ok
Battery: 2 x AG-12
WCase: black plastic WBand: black leather bracelet Face: red / inlay silver frame
Manual: Yes Box: No Light: led
Year: 1979 Price: $ 19.90
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: same model in various color TI-526-02
Model: TI-526-02 Code: Ok
Battery: 2 x AG-12
WCase: black plastic WBand: jeans leather bracelet Face: red / inlay jeans frame
Manual: Yes Box: No Light: led
Year: 1979 Price: $ 19.90
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: same model in various color TI-526-01
Model: Benrus gold (round) Code: 
Battery: 2 x 386
WCase: gold 14K tone metal WBand: matching bracelet Face: red
Manual: no Box: no Light: led
Year: 1979 Price: xxxx
Function: The three-function shows constant display of hours, minutes, seconds.
Info: the internal module used for operation is made by Texas Instruments
Model: TI-70 Code: ok
Battery: no Power Supply: 110 vac
Manual: yes Box: no Light: led
Year: 1974 Chips: TMS3834, SN75492, RCA CA3082 Display: TIL370
Function: The two-function shows constant display of hours, minutes.
Info: While the TI-71 sports an alarm function
Model: TI-71 Code: ok
Battery: no Power Supply: 110 vac
Manual: yes with permission www.datamath.orgBox: no Light: led
Year: 1974 Chips: TMS3834, SN75492, RCA CA3082 Display: TIL370
Function: The three-function shows constant display of hours, minutes and alarm.
Info: While the TI-70 sports an alarm function
Model: Wells gold (logo wells) Code: 

Battery: 2 x 386
WCase: gold 14K tone metal WBand: matching bracelet Face: red
Manual: yes Box: no Light: led
Year: 1979 Price: xxxx
Function: The three-function shows constant display of hours, minutes, seconds.
Info: The internal module used for operation is made by Texas Instruments
Model: Wells gold (logo TI) Code: 

Battery: 2 x 386
WCase: gold 14K tone metal WBand: matching bracelet Face: red
Manual: yes Box: no Light: led
Year: 1979 Price: xxxx
Function: The three-function shows constant display of hours, minutes, seconds.
Info: The internal module used for operation is made by Texas Instruments
Model: TI-527-01 (Stars Wars black) Code: ok (different label)
Battery: 2 x D386 or 2 x 396
WCase: black plastic WBand: black rubber Face: red
Manual: Yes Box: No Light: led
Year: 1977 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: The excitement of Star Wars, only Texas Instruments has the official Star Wars digital watches ,combining five-functions.
Model: TI-527-01 (Stars Wars black gold ) Code: ok (different label)
Battery: 2 x D386 or 2 x 396
WCase: black plastic WBand: black rubber Face: red
Manual: Yes Box: No Light: led
Year: 1977 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: The excitement of Star Wars, only Texas Instruments has the official Star Wars digital watches ,combining five-functions.
Model: TI-527-01 (Stars Wars black gold) Code: ok
Battery: 2 x AG-12
WCase: black plasticWBand: black rubber Face: red
Manual: Yes Box: No Light: led
Year: 1977 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: The excitement of Star Wars, only Texas Instruments has the official Star Wars digital watches ,combining five-functions.
Model: TI-527-02 (Stars Wars grey) Code: ok
Battery: 2 x AG-12
WCase: gray plasticWBand: gray rubber Face: red
Manual: Yes Box: Yes Light: led
Year: 1977 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: The excitement of Star Wars, only Texas Instruments has the official Star Wars digital watches ,combining five-functions.
Model: TI-627-01 (Stars Wars child) Code: Ok
Battery: 2 x AG-3
WCase: black plastic WBand: black rubber Face: red
Manual: Yes Box: No Light: led
Year: 1977 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: The excitement of Star Wars, only Texas Instruments has the official Star Wars digital watches ,combining five-functions.
Model: 54B-2 (for Woman's watch)
Battery: 2 x AG-3 Face: LED 4 digit Light: Yes Year: 1976 ( stamped 716 ) Buttons: Two buttons are used, top right and bottom right.
Function: It displays hours, minutes, seconds, and the day of the week and the month.
Info: The original batteries are Mallory Duracell (10L125) and Eveready (UC-392). This module is used in models with code TI-600-XX , TI-700-XX
Here you can see the particular contact that is used by the button when pressed. Two buttons are used: the one on the top right to display hours, minutes, seconds, day and month, the one on the bottom right to set the hour, minutes, day and month.
Model: TI-552-12 Code: ok
Battery: 2 x AG-3
WCase: gold tone metal WBand: matching bracelet Face: red
Manual: Yes Box: No Light: led
Year: 1977 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info:
Model: TI-601-01 Code: ok
Battery: 2 x AG-3
WCase: black plastic WBand: rubber matching bracelet Face: red / silver frame
Manual: Yes Box: No Light: led
Year: 1977 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info:
Model: TI-601-02 Code: ok
Battery: 2 x AG-3
WCase: white plastic WBand: rubber matching bracelet Face: red / silver frame
Manual: Yes Box: No Light: led
Year: 1977 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info:
Model: TI-601-03 Code: ok
Battery: 2 x AG-3
WCase: red plastic WBand: rubber matching bracelet Face: red / silver frame
Manual: Yes Box: No Light: led
Year: 1977 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info:
Model: TI-601-04 Code: ok
Battery: 2 x AG-3
WCase: yellow plastic WBand: rubber matching bracelet Face: red / silver frame
Manual: Yes Box: No Light: led
Year: 1977 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info:
Model: TI-601-05 Code: ok
Battery: 2 x AG-3
WCase: dark blue plasticWBand: rubber matching bracelet Face: red
Manual: Yes Box: No Light: led
Year: 1977 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info:
Model: TI-601-06 Code: ok
Battery: 2 x AG-3
WCase: cyan plastic WBand: rubber matching bracelet Face: red / silver frame
Manual: Yes Box: No Light: led
Year: 1977 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: ebay with code TI-601-01
Model: TI-601-10 Code: ok
Battery: 2 x AG-3
WCase: white plastic WBand: flowers rubber matching bracelet Face: red / silver frame
Manual: Yes Box: No Light: led
Year: 1977 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info:
Model: TI-601-20 Code: my
Battery: 2 x AG-3
WCase: black plastic WBand: rubber matching bracelet Face: red / gold frame
Manual: Yes Box: No Light: led
Year: 1977 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info:
Model: TI-601-21 Code: my
Battery: 2 x AG-3
WCase: brown plastic WBand: leather brown bracelet Face: red / silver frame
Manual: Yes Box: No Light: led
Year: 1977 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info:
Model: TI-626-01 Code: ok
Battery: 2 x AG-3 Module: 54B_2
WCase: cream/brown plastic WBand: cream/ brown rubber matching bracelet Face: red
Manual: Yes Box: No Light: led
Year: 1977 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: Rare
Model: TI-626-02 Code: ok
Battery: 2 x AG-3
WCase: blackflowers/white plastic WBand: rubber flowers/white matching bracelet Face: red
Manual: Yes Box: No Light: led
Year: 1977 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info:
Model: TI-701-01 Code: ok
Battery: 2 x AG-3
WCase: white tone metal WBand: black leather bracelet Face: red
Manual: Yes Box: Yes Light: led
Year: 1978 Price: $ 11.95
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: U.S. watch retail price list
Model: TI-701-02 Code: ok
Battery: 2 x AG-12
WCase: gold tone metal WBand: brown leather bracelet Face: red
Manual: Yes Box: Yes Light: led
Year: 1978 Price: $ 12.95
Function: The watch has five functions- hours, minutes, seconds, month and date
Info:U.S. watch retail price list
Model: TI-701-04 Code: ok
Battery: 2 x AG-3
WCase: gold tone metal WBand: matching bracelet Face: red
Manual: Yes Box: No Light: led
Year: 1977 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info:
Model: TI-701-05 Code: ok
Battery: 2 x AG-3
WCase: white tone metal WBand: snake chain bracelet Face: red
Manual: Yes Box: No Light: led
Year: 1978 Price: $ 17.01
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: U.S. watch retail price list
Mode
l: TI-701-06 Code: ok
Battery: 2 x AG-3
WCase: gold tone metal WBand: snake chain bracelet Face: red
Manual: Yes Box: Yes Light: led
Year: 1978 Price: $ 17.01
Function: The watch has five functions- hours, minutes, seconds, month and date
Info: U.S. watch retail price list
Model: TI-701-08 Code: ok
Battery: 2 x AG-3
WCase: gold tone metal WBand: matching bracelet Face: red
Manual: Yes Box: Yes Light: led
Year: 1977 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info:
Model: TI-705-01 Code: ok
Battery: 2 x AG-3
WCase: gold tone metal WBand: pendant matching bracelet Face: red
Manual: Yes Box: No Light: led
Year: 1977 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info:
Model: TI-706-02 Code: ok
Battery: 2 x AG-3
WCase: square gold tone metal WBand: leather bracelet Face: red
Manual: Yes Box: No Light: led
Year: 1977 Price: xxxx
Function: The watch has five functions- hours, minutes, seconds, month and date
Info:

What is the Tritium lighting?
With Tritium is has a constant source of light that does not require any additional source of energy. There are no buttons
to push. Tritium is active every day for up to 25 years. All you have to do is look at the clock and you know exactly
what time it is. Tritium provides easy reading, the light is perfectly visible in complete darkness. No other lighting can
claim those benefits.
To date, after all these years, many watches of the museum that used this technology is no longer visible to the decay
of tritium atoms.
Che cosa è l'illuminazione Tritium?
Con Tritium si ha una costante fonte di luce che non richiede alcuna fonte di energia aggiuntiva. Non ci sono pulsanti
da spingere. Il Trizio rimane attivo giorno dopo giorno per un massimo di 25 anni. Tutto quello che dovete fare è guardare
l'orologio e si sa esattamente che ora è. Tritium fornisce una facile lettura, la luce rimane perfettamente visibile al buio
completo. Nessun altra illuminazione può rivendicare tali benefici.
A oggi, dopo tutti questi anni, molti orologi del museo che utilizzavano questa tecnologia non è più visibile per la
decadenza degli atomi di trizio.
Witschi Q Test 3000 ( 1977 )
1 - Acoustic Sensor.
2 - Magnetic/capacitor Sensor.
3 - Display lights up if the result for the rate measurement is displayed in seconds per month.
4 - Rotary knob to change ON/OFF and the value of selected parameter : ( 32.768 khz , 786 khz, 4.19 mhz )


















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