ETA SA 940-111

ETA SA's 940-111 is a discontinued electronic quartz movement operating at 32,768 Hz with 7 jewels. It features sweep seconds with the hand jumping each second, instantaneous date change, and a quickset date mechanism. The movement uses a type 390 battery and includes a stop-second device. A distinctive characteristic is its rotary stepping motor. The caliber was produced as part of ESA's Flatline series and appears in vintage watches such as Baume et Mercier.