Model: 54D-1 (for Men's watch)
Battery: 2 x AG-12 Face: LED 4 digit Light: Yes Year: 1976 ( stamped 811 ) 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 (10R124,10L124) and Eveready (UC-386). This module is used in models with code TI-400-XX , TI-500XX
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.
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