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Fig. 1

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Fig. 2

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Fig. 3

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Fig. 4

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Fig. 5

Valjoux 7733

Features
manual-wind chronograph, 60s, 30/45min, cam switched
sub second

Data
14''', Dm= 31.0mm, Do= 31.3mm
H= 6.0mm
F= 0.6mm
T= 1.85mm
17 jewels
f = 18000 A/h
power reserve 45h

Balance staff U3106

Stem W1188 / W3371
thread 1.2mm / 0.9mm

Mainspring / battery
Zf1337, 1.60 x 12.5 x 0.13 x 430mm

Hands
1.40 x 0.95 x 0.27 / 0.27 x 0.18mm

Comments about the data

Remarks
1969-1978 (Valjoux 7733+7734+7736+7737: <2000000)
redesign of the Valjoux 7731, which is actually a modified Venus 188
3 different reset hammers (cf. photos):
1. ca. 1969-1971, excenter to ajust the hammer ends,
2. ca. 1971-1974, hammer with rocker,
3. ca. 1974-1978, just shape modified.

family/generations:
essentially same as Venus 188:
7730: -
7731: new balance cock
completely redesigned:
7733: -
7734: date
7736: hour counter
7737: countdown for regatta start

Example, year: signature; shock device
1-2) ca. 1970: FE; Incabloc
(1. hammer, 45min counter)
3-4) 1972: NP, Bucherer, Swiss, 17 Jewels; Incabloc
(2. hammer)
5) ca. 1975: Swiss, 17 Jewels; Incabloc
(3. hammer)

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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