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TI 801 11Model: TI-801-11
Battery:
  2 x V392

WBand: steel
WCase: steel
Manual: 
Year:         
Info: the same in gold

 


 

TI 801 21Model: TI-801-21
Battery:
  2 x AG3

WBand: steel gold
WCase: steel gold
Manual: 
Year:         
Info: the same model in steel

 

 


 

TI 801 31Model: TI-801-31
Battery:
  2 x AG3

WBand: steel
WCase: steel
Manual:  
Year:                    
Info: Blue box / code ok  but in the advertising the code is TI-473-31  

 

 


 

TI-803-41Model: TI-803-41
Battery:
  AG3 or 392

WBand: steel gold
WCase: steel gold
Manual: yes
Year: 1979   
Info: own box / code ok

 

 


 

TI-804-31Model: TI-804-31
Battery:
  AG8

WBand: Matching bracelet
WCase: White metal
Manual: yes 
Year: 1981 / 50 $                 
Info: Quartz chronograph with 24-hour alarm, 12-hour chronograph, alarm on/off display, incandescent backlight, adjustable bracelet / code ok.