Zenith El Primero calendar moonphases prototype

Zenith El Primero, steel chrono, anthracite dial, centesimal and tachymeter scale, "star" indexes at 2 and 10 o'clock, moon phases, full calendar, plexy, screwed back case. Self winding Cal. 3019 PHF. Prototype of 25 pieces.

  • Model Prototype
  • Year 1969's
  • Dial Grey
  • Bracelet Steel
  • Size 38