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TI 565 10Model: TI-565-10 (TI-250) Code: OkTI 565 10 box
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


TI 565 11 00

 

 

 


 

TI 565 11Model: TI-565-11Code: OkTI 565 11 00
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

  TI 565 11 pcb

 

 

  


 

TI 566 10Model: TI-566-10 Code: my
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: yellow and red buttons, 
the same model with the writing Texas Instruments  TI-565-10

 

 

 


 

TI 568 10Model: TI-568-10
Battery:
  AG5

WBand: brown letaher       
WCase: Steel      
Manual: NO               
Year:                             
Info:  BSA boy scout of America / code OK

 

 


 

TI-574-FKModel: TI-574-FK
Battery:
  AG5

WBand: black rubber
WCase: black plastic
Manual: no               
Year: 1981 
Price:  $ 35.00

Info: Time is the key to many fitness activies, and the TI-574 chronograph watch helps you monito any kind of exercise. Feature: hours, minutes, seconds,month, date and day of week, plus chronograph with lap.timer. / code ok