Zenith 71
Example movement: Zenith cal 71, number: 4 727 422, manufactured in aprox: 1957.
Technical data: Zenith cal: 71
-
20 jewels, automatic wind, sweep second, date. -
Size: 13.5''' 30.0 mm. -
H: = 6.10 mm. -
N: = 21.600 A/h. -
Power reserve: 35 h.
Versions:
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133: 18.000 A/h. -
133.8: 21.600 A/h. -
71: 21.600 A/h, date.