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Fig. 1

View picture in original size
Fig. 2

Valjoux 5 2F

stem wind and set chronograph, 60s, 30min, pillar wheel
sub second

19''', Dm= 42.1mm, Do= 43.1mm
H= 7.5mm
F= 0.6mm
T= 2.1mm
17 jewels
f = 18000 A/h
power-reserve 35h

Balance staff U1544

Stem W1730

Mainspring / battery
1.90 x 17.0 x 0.23mm

2.32 x 1.88 x 0.31 / 0.35 x 0.30mm

Comments about the data

open face calibre
Breguet hairspring

5 KVM: Chronograph
5 2F: Chronograph, separate reset pusher
9 KVR: chronograph, split second
24 KV: timer, split second
62 KVC: timer
75 KVMR: timer, up- and down-counting
minor modifications:
551: Chronograph (wie 5 KVM)
555: Chronograph, flyback

Example, year: signature; shock device
ca. 1925: -
(Valjoux 5KVM)

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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