ETA SA 935.002

The ETA 935.002 is a Swiss quartz movement measuring 19.4mm in diameter and 3.9mm thick, operating at 32,768 Hz. It features a central jumping seconds hand driven by a rotating stepping motor, with optional quickset date and bilingual quickset day complications. A seconds-stop device allows hacking for precise time setting. Introduced in 1979, the movement remains in production and has been used by various watch brands.