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Zenith 143-6
Zenith 143-6
Zenith 143-6

Zenith 143-6

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The Zenith 143-6 is based on the Excelsior Park cal: 4 with 45 min counter. Incabloc shock protection, Breguet hairspring and Glucadur balance. Manufactured in aprox: 1950.


Example movement from a 36 mm Zenith signed nickel/steele cased watch, case number: 838 782


Technical data: Zenith cal: 143-6


  • 17 jewels, manual wind, chronograph, 60 s 30/45 min counter.

  • Size: 14''' 31.60 mm.

  • H: = 6.70 mm.

  • N: = 18.000 A/h.

  • Power reserve: 32 h.

  • Mainspring: 1,20 x 13 - 0,16 - 400


Versions:


  • 143: no shock protection.

  • 143-1-3: no shock protection, centered 24 hour counter.

  • 143-6: incabloc shock protection, base cal: EP 4.

  • 143-6: incabloc, 12 hour counter, base cal: EP 40.