Buren 1281

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Calibre by Buren


Self-winding movement with microrotor, with date indication, from the movement family Buren 1280.

Was used as starting basis of the automatic chronograph calibre Chronomatic, a community development by Hamilton-Buren/Breitling/Heuer.

Description:

Self-winding
Yoke winding system
Microrotor, ball-bearing, bi-directional winding
Incabloc shock protection

Functions:

Hours, minutes
Date

Data:

12½ lignes
Ø 28,15 mm, H 3,25 mm
17/21/30 jewels
19.800 A/h
Power reserve 54 h

Production period:

From 1962

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