Zenith 4002

Zenith 4002 is a calibre by Zenith.

Further development of the automatic chronograph Zenith 410 (El Primero) with bi-directional winding bear-bearing central rotor. Date display.

Used e.g. with the model Zenith Grande Class "El Primero".

Description: Self-winding movement, bi-directional winding Escapement: Stone lever Yoke winding system Chronometer certificate (COSC) Column wheel calibre Shock protection Kif-Ultraflex 263 components Functions: Chronograph Small seconds Rapid calendar advance Data: 13¼ lignes D 30.0 mm, H 6.5 mm 31 jewels 36,000 A/h Power reserve > 50h Production period: Since 2002