Module

Model: 125 (for Women's watch) Diameter: 22 mm Thickness: 5 mm
Battery:  LR41 Face: LCD 4 digit Light: NO Year: 1981 Module: Four buttons are used: top right, middle-right, bottom right, and bottom left.
Function: It displays the time (hours, minutes, seconds), the date, and the day of the week. It also includes an alarm function. It does not have a built-in light
Info: This module is used in the following model TI-263-41, TI-263-31

Here you can see the specific contact the button uses when pressed. The top-right button allows you to select the time and date; the middle-right button is used to set the time and date values; the bottom-right button is used to activate, deactivate, and configure the alarm; and the bottom-left button is used to view the alarm setting. It does not have built-in illumination.