Zenith 4005

Zenith 4005 is calibre by Zenith.

Self-winding chronograph movement with tourbillon.

Further development of the Zenith 410 (El Primero) with bi-directional winding ball-bearing central rotor and date display.

Used in model Zenith Grande Chronomaster XXT Tourbillon "El Primero".

Description: Self-winding movement, bi-directional winding Escapement: Stone lever Yoke winding system Tourbillon Rotor in 22ct rose gold or white gold Chronometer certificate (COSC) Column wheel calibre Shock protection Kif-Ultraflex 319 components Functions: Chronograph Small seconds Rapid calendar advance Data: 15½ lignes D 35.0 mm, H 7.55 mm 35 jewels 36,000 A/h Power reserve > 50h Production period: Since 2002