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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Cortebert 652

Features
manual wind

Data
5.75 x 6.75''', Dm= 12.9 x 15.2mm
Do= 12.9 x 15.55mm
H= 3.4mm
F= 0.6mm
T= 1.6mm
16 jewels
f = 18000 A/h
power reserve 37h

Balance staff U689

Stem W689

Mainspring / battery
Zf905, 1.35 x 6.0 x 0.06 x 210mm

Hands
1.00 x 0.45mm

Comments about the data

Remarks
differences not known between 650, 652

family/generations:
650, 652, 654: 16 jewels, 18000 A/h
654, 645N: 17 jewels, 18000 A/h
654-1: 21600 A/h

Example, year: signature; shock device
ca. 1945: Cortebert*, 650, 16 Jewels
(Cortebert 650)

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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