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Fig. 1

Girard-Perregaux 33.7

manual wind
sweep second
date: set by changing 20:40-24h

11.5''', Dm= 25.6mm, Do= 26.0mm
H= 3.9mm
F= 1.4mm
T= 2.0mm
17 jewels
f = 36000 A/h
power reserve 44h

Balance staff U3354

Stem W3303

1.50 x 0.90 x 0.21mm

Comments about the data

first movement with 36000 A/h
worm screw regulation gear
The family is based on the manual wind calibre AS 1687/1688.

first generations
30: manual wind
21: automatic
22: automatic, date
33: manual wind, date
suffix A, .5, .7: 36000A/h
escapement and setting mechanism redesigned, hack feature
40: manual wind
41: automatic
42: automatic, date
43: manual wind, date
suffix .1, .4: 36000A/h

Example, year: signature; shock device
ca. 1965: 306718, Girard-Perregaux, Swiss, 17 Jewels; Incabloc
(Girard-Perregaux 30.6, 21600A/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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