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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Certina 12-11

Features
manual wind

Data
5.5 x 7''', Dm= 12.15 x 15.55mm
Do= 12.15 x 16.0mm
H= 3.5mm
F= 0.8mm
T= 1.6mm
17 jewels
f = 19600 A/h
power reserve 46h

Balance staff U2256

Stem W992

Mainspring / battery
Zf994, 1.40 x 6.0 x 0.06 x 210mm

Hands
1.05 x 0.55mm

Comments about the data

Remarks
smallest Certina calibre
Girocap combined setting for escapement wheel

family/generations:
370: 18000 A/h, fixed stud carrier
12-10: 18000 A/h, mobile stud carrier
12-11: 19800 A/h, mobile stud carrier

Example, year: signature; shock device
ca. 1955: Certina, 12-10, Swiss, 17 Jewels; Incabloc
(Certina 12-10, 18000A/h)

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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