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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Certina 20-10 (Frederic Piguet 21)

Features
manual wind

Data
9''', Dm= 20.4mm, Do= 20.8mm
H= 1.75mm
17/18 jewels
f = 18000 A/h
power reserve 42h

Balance staff U3304

Stem W3255

Hands
1.00 x 0.5mm

Comments about the data

Remarks
Escapement wheel in Kif Duofix

Example, year: signature; shock device
ca. 1960: Bucherer, Swiss, 3 Adj, 17 Jewels
(Frederic Piguet 21, Lubrifix 66)

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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