Zenith 4003

Zenith 4003 is a manufacture movement by Zenith.

Automatic chronograph with perpetual calendar and moon phase. Bi-directional winding ball-bearing rotor. Further development of the calibre Zenith 410 (El Primero).

Used e.g. with the model Zenith Grande Chronomaster XXT Quantième Perpétuel.

Description:

Functions:

Data:

  • 13¼ lignes
  • D 30.0 mm, H 8.1 mm
  • 31 jewels
  • 36,000 A/h
  • Power reserve > 50h

Production period:

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