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View picture in original size
Fig. 1

Zenith 71

Features
automatic (bumper)
sweep second
date

Data
13''', Do= 30.0mm
H= 6.1mm
20 jewels
f = 21600 A/h
power reserve 35h

Balance staff U2217

Stem W2363

Mainspring / battery
1.20 x 10.0 x 0.08mm

Hands
1.70 x 1.20mm

Comments about the data

Remarks
1954-1957, 14000

family;
133: 18000 A/h
133.8: 21600 A/h
71: 21600 A/h, date

Example, year: signature; shock device
1959: 4767699, Zenith, Swiss Made, 20 Jewels; Incabloc
(Zenith 133.8)

© P. Delury

Not for Sale!
The movements presented in this caliber finder are not for sale. This is only a data sheet for identification and evaluation of the movement calibre, as well as for approximate dating.

bidfun-db 21.3 © 02-08-15, mtr-Ranfft


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