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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Certina 370

Features
manual wind

Data
5.5 x 7''', Dm= 12.2 x 15.5mm
Do= 12.2 x 16.0mm
H= 3.45mm
F= 0.8mm
T= 1.6mm
17 jewels
f = 18000 A/h
power reserve 46h

Balance staff U2123

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

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. 1950: Certina ***, KF 370, Swiss Made, 17 Jewels - Certina; Incabloc

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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