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Fig. 1

View picture in original size
Fig. 2

Valjoux 330

timer split second (rattrapante), 60s (0.2s), 30min, pillar wheels
option: 30s (0.1s), 15min
stem wind
sweep second

19''', Dm= 42.1mm, Do=43.1mm
H= 7.75mm
(winding gear +0.5mm)
F= 0.7mm
T= 4.8mm
7 jewels
f = 18000 A/h
power-reserve 12h
f = 36000 A/h
power-reserve 6h

Balance staff U2281

Stem W1824

Mainspring / battery
1.70 x 15.0 x 0.20mm

1.30 x 0.35 / 1.30mm

Comments about the data

open face calibre
stop- and split-second function with pillar wheels

escape-wheel cock, solid springs, mostly only balance stop:
32: -
33: split second
59: addition timer, hour counter
wire-springs, additional second stop:
32 new: -
33 new: split second
59 new: addition timer, hour counter
3/4 plate, detail modifikations:
320: -
320/1: simple variant, features uncertain
320/2: addition timer
330: split second
330/2: split second, addition timer
340: addition timer, hour counter
360: split second, addition timer, hour counter
winding gear with rocker:
321: -
321/2: addition timer

Example, year: signature; shock device
ca. 1950: AXP, Aristo Import Co Inc, Swiss, 7 Jewels
(36000 A/h)

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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