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View picture in original size
Fig. 1

Golay 7723FB µ-Quartz

Features
quartz controlled balance motor
sweep second
date: quickset
hack feature

Data
13.75''', Dn= 31.02mm
H= 5.6mm
11 jewels
balance: f = 28800 A/h
quartz : f = 32768 Hz

Mainspring / battery
303

Comments about the data

Remarks
1972, few thousands
Unique design: An ordinary balance system is stabilized by a quartz controlled electronic circuit, by applying a pulse precisely once per second.
date is set with a crown at 4h, time with a crown at the bottom

Example, year: signature; shock device
1972: µ-Quartz, Swiss Made, 11 Jewels; Kif-Elastor

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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