ETA SA 1080

The ETA 1080 watch movement, produced between 1911-1912, consisted of approximately 21000 units. It featured a hunter calibre, model 2, with a base plate composed of two parts, likely one adapted to tools for 12 size. The movement incorporated a bimetallic screw balance and a Breguet hairspring. It also employed a negative stem mechanism with an adjustable switching point. Its primary functions included stem winding and a sub-second display.