Zenith 4031

Zenith 4031 is a calibre by Zenith.

Self-winding chronograph movement with big date, minute repeater, alarm function, second time zone and triple power reserve indicator. Bi-directional winding ball-bearing central rotor.

Used with the model Zenith Grande Class Traveller Répétition Minutes.

Manufacturer: Zenith Description: Self-winding movement, bi-directional winding Escapement: Stone lever Yoke winding system Weight segment in 22ct white gold with Côtes de Genève Chronometer certificate (COSC) Column wheel calibre Shock protection Kif-Ultraflex Functions: Chronograph Small seconds Big date with instantaneous date change Dual time zone Minute repeater: a low tone indicates the hour, a double the quarter of an hour and a high tone the minutes Alarm function with two signal tones and vibration alarm Power reserve indicators for movement, alarm function and repetition Data: 13¼ lignes D 30.0 mm, H 12.98 mm 63 jewels 744 components 36,000 A/h Power reserve > 50h Production period: Since 2005