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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Girard-Perregaux 30.7

Features
manual wind
sweep second

Data
11.5''', Dm= 25.6mm, Do= 26.0mm
H= 3.6mm
F= 1.1mm
T= 1.7mm
17 jewels
f = 36000 A/h
power reserve 44h

Balance staff U3354

Stem W3303

Hands
1.50 x 0.90 x 0.21mm

Comments about the data

Remarks
worm screw regulation gear
The family is based on the manual wind calibre AS 1687/1688.

family/generations:
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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