ETA 2671

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ETA 2671
© ETA

The ETA 2671 is a compact automatic watch calibre produced by ETA.

Designed for ladies watches and other small applications, the 2671 measures just 7¾ lignes (17.2 mm) in diameter and is 4.8 mm tall. It includes hour, minute, and second hands and a date window. The slightly taller ETA 2678 is similar but includes a day wheel.

Mechanical movement with automatical winding, ball-bearing rotor, bi-directional winding, power reserve: 38 hours, date with rapid advance, hacking seconds device.

The movement is used with ladies' watches. It is sold by TAG Heuer as their "Calibre 4".

Also Known As

Description:

Self-winding movement
Incabloc shock protection
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 17.2 mm, H 4.8 mm
21-25 jewels
28,800 A/h
Power reserve 38h

Production period:

Since 1971