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View picture in original size
Fig. 1

Certina 17-251

Features
manual wind
sweep second
date: set by changing 22-24h

Data
7.75''', Dm= 17.2mm
H= 4.35mm
17 jewels
f = 19800 A/h
power reserve 44h

Balance staff U2998

Stem W2991

Mainspring / battery
1.20 x 6.0 x 0,07mm

Hands
1.30 x 0.80 x 0.18mm

Comments about the data

Remarks

family:
17-25: -
17-251: date

Example, year: signature; shock device
ca. 1960: Certina, 17-25, Swiss, 17 Jewels; Incabloc
(Certina 17-25)

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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