ETA 2671

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Template:File The ETA 2671 is a compact automatic watch calibre produced by ETA. It was introduced in 1971 and remains in production as of 2019.

Overview

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