Zenith 4026

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Rattrapante chronograph with big date. Bi-directional winding ball-bearing rotor. Further development of the Calibre Zenith 410 (El Primero).

Used eg. in the model Zenith Grande Class Rattrapante Grande Date.




Self-winding movement, bi-directional winding
Escapement: Stone lever
Yoke winding system
Ball-bearing central rotor
Chronometer certificate (COSC)
Column wheel calibre
Shock protection Kif Ultraflex
Weight segment 22ct white gold with Côtes de Genève
345 components


Rattrapante chronograph
Small seconds
Big date at the 6, switching at midnight in 6/1000 second


13¼ lignes
D 30.0 mm, H 9.35 mm
32 jewels
36,000 A/h
346 components
Power reserve > 50h

Production period:

Since 2005