ETA 2688

$ETA 2688 (Oris 585}\\ © [[Oris]] (click to enlarge!)$
ETA 2688 (Oris 585}
© Oris

Calibre by ETA

Mechanical movement with self-winding, ball-bearing rotor, bi-directional winding, power reserve 38 hours, date with quickset, hacking seconds.

The movement was used with ladies' watches, partly also with smaller men's models. Oris used from ca. 1996 an own development, based on this calibre (Oris 581, 583, 584, 585).

Description:

Self-winding movement with bi-directional winding, ball-bearing rotor
Swiss lever escapement
Incabloc shock protection
Yoke winding system

Functions:

Hours, minutes
Central seconds with hacking seconds
Date with quickset date feature

Data:

8¾ lignes
Ø 19.4 mm, H 5,35 mm
17 jewels
21,600 A/h
Power reserve 38-40 h

Production period:

1985-2004