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|Golay 7723FB µ-Quartz|
quartz controlled balance motor
13.75''', Dn= 31.02mm
balance: f = 28800 A/h
quartz : f = 32768 Hz
Mainspring / battery
Comments about the data
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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