ETA 2681

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The ETA 2681 is a compact automatic watch calibre produced by ETA. It remains in production as of 2019.

Overview

Designed for ladies watches and other small applications, the 2681 is a slightly-larger variant of the ETA 2671. It measures just 8¾ lignes (19.4 mm) in diameter and is 4.8 mm tall. It includes hour, minute, and second hands and a date window.

Mechanical movement with automatical winding, ball-bearing rotor, bi-directional winding, power reserve: 44 hours, date with rapid advance, hacking seconds device.

Description:

Self-winding movement
Incabloc shock protection
ETACHRON Escapement: Stone lever
Yoke winding system
Flat hairspring, eccentric precision adjustment for the regulation

Functions:

Central seconds
Date with quickset date feature
Hacking seconds

Data:

lignes
D 19.4 mm, H 4.8 mm
25 jewels
28,800 A/h
Power reserve 44h

Production period:

Current as of 2019