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Fig. 1

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Fig. 2

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Fig. 3

Venus 170

manual-wind chronograph, 60s, 30/45 min, pillar wheel
sub second

12.5''', Dm= 28.2mm
H= 6.0mm
17 jewels
f = 18000 A/h
power reserve 40h

Balance staff U1417

Stem W1129

Mainspring / battery
Zf1477, 1.80 x 10.0 x 0.11 x 320mm

2.05 x 1.30 x 0.22 / 0.28 x 0.20mm

Comments about the data

swivel pinion after Edouard Heuer's patent from von 1886
ratchet on dial side, crown mechanism with rocker bar

Example, year: signature; shock device
1) ca. 1950: - (30min)
2) ca. 1950: Swiss Made; Incabloc (45min)

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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