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|Girard-Perregaux 504 (FEF 6631)|
5.75 x 6.75''', Dm= 13.05 x 15.15mm
Do= 13.05 x 15.55mm
f = 21600 A/h
power reserve 53h
Balance staff U3531
Mainspring / battery
Zf1181, 1.50 x 6.0 x 0.065 x 195mm
(original spring longer than mentioned here)
1.00 x 0.55mm
Comments about the data
above for the FEF 6631 mentioned mainspring is fitting, but original spring a bit longer
Example, year: signature; shock device
ca. 1980: 504-424, Girard-Perregaux, Swiss, 17 Jewels; Kif-Ultraflex
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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