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TI-809-31Model: TI-809-31 Code: OK
Battery:
  LR1120 / 391
WCase:white tone metal  WBand: matching bracelet  Face: 
Manual: No  Box: No  Light: bulb
Year: 1981 Price: 80 $
Function:  One setting will program the wrist instruments alarm to sound only on selected days of the week. The nine-function alarm chronograph shows constant display of hours, minutes,seconds, month, date and day of week. Also includes chronograph with 1/100th second accuracy, countdown/timer, hourly chime and backlight
Info:the same model in gold tone metal TI-809-41