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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Lemania CH27 C12

Features
manual-wind chronograph, 60s, 30min, 12h, pillar wheel
sub second

Data
12''', Dm= 27.0mm, Do= 27.5mm
H= 6.74mm
F= 1.67mm
T= 2.67mm
17 jewels
f = 18000 A/h
power reserve 41h

Balance staff U1598

Stem W1242

Mainspring / battery
Zf877, 1.30 x 10.5 x 0.12 x 320mm

Hands
1.90 x 1.05 x 0.22 / 0.30 x 0.25 x 0.20mm

Comments about the data

Remarks
1949-1968
Breguet hairspring
regulator with catch device for hairspring (cf. Lemania S27)

family/generations:
S27: -
CH27: chronograph
CH27 C12: chronograph, hour counter
S27 T1: prepared for version with date
DS27, 2990: date

Example, year: signature; shock device
1966: 24952581, Omega Watch Co, Swiss, 17 Jewels; Incabloc
(Omega 321)

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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