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9''', Dm= 20.0mm, Do= 20.4mm
f = 18000 A/h
1.00 x 0.65mm
Comments about the data
bimetallic screw balance, Breguet hairspring
The actual maker is unknowm; but there is a 9.75''' calibre from Landeron with this setting works.
Example, year: signature; shock device
ca. 1920: - 41, 33788, Déposé
© V05 G00 B00 U06 K00 A01 A10 A12 A14 L00 W00 D01 D02 H00 F01
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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