[WTS] Zenith El Primero ref. 01.0200.415 Big Blue 7000 run like hell circa 1973

Zenith El Primero ref. 01.0200.415 Big Blue 7000 run like hell circa 1973

A Zenith El Primero Big Blue from the 1970s, featuring a high-frequency automatic chronograph movement and an oversized TV-shaped case with a vibrant blue dial.

  • Condition: Excellent for its age
  • Case size: 42mm
  • Lug to lug distance: 44h
  • Crystal size: 14.3 cc
Posted at
Apr 8, 2026, 4:48 PM
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