Zenith 4021

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Zenith 4021 is a calibre by Zenith.

Further development of the calibre Zenith 410 (El Primero) with power reserve indicator, skeletonized in the area of the escapement.

Used e.g. with the model Zenith Chronomaster T Open.

Manufacturer:

Zenith

Description:

Self-winding movement, bi-directional winding
Escapement: Stone lever
Yoke winding system
Chronometer certificate (COSC)
Column wheel calibre
Shock protection Kif-Ultraflex

Functions:

Chronograph
Small seconds
Power reserve indicator

Data:

13½ lignes
D 30.0 mm, H 7.75 mm
39 jewels
248 components
36,000 A/h
Power reserve 55h

Production period:

Since 2005