Module

Model: 809008 (for Men's watch)
Battery: LR41 Face: LCD 6 digit + week  Light: YES Year: 1980 Buttons: Three buttons are used, top right,center right, bottom right.
Function: It displays hours, minutes, seconds, day and the month. It is equipped with integrated light.
Info: This module is used in the following model TI-441A-41,TI-441A-40

 
Here you can see the specific contact the button uses when pressed. Three buttons are used, one in the top right, one in the center right, and one in the bottom right. The top right button allows you to select the date and seconds, the center right button allows you to set the hour, minutes, and date, while the bottom right button allows you to use the watch's backlight.