ETA SA 924.001

Caliber 924.001 is a rectangular quartz movement manufactured by ETA SA in Switzerland. The movement measures 13.0 mm in width, 15.55 mm in length, and 3.0 mm in height, operating at a standard frequency of 32768 Hz powered by a silver oxide battery. It features electronic time-setting via the crown with the ability to advance the hands in minute or hour increments, and drives a sweeping seconds hand through a rotary stepping motor.