Mechanical watch movement ETA 2688 with self-winding, ball-bearing rotor, bi-directional winding, power reserve: 38 hours, date with quickset, hacking seconds. 8¾ lignes Ø 19.4 mm, H 5,35 mm 17 jewels 21,600 A/h Power reserve 38-40 h. The watch movement is new and was produced in Switzerland by ETA.
2688 (25J)
