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10.5''', Dm= 23.45mm, Do= 24.1mm
(winding gear, lever- and balance cock +0.5mm)
f = 18000 A/h
Balance staff U823 / U1392 / U2065
balance with impuls finger/pin/pointed staff
Stem W808, W847
Mainspring / battery
1.20 x 12.0 x 0.10mm
1.84 x 1.09 x 0.28mm
Comments about the data
indirect minute, hand friction clutch on barrel (Roskopf type)
Example, year: signature; shock device
ca. 1940: H. Gribi-Pfäffli, Swiss Made, 11 Jewels - BFG 800
(actually 8 jewels)
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.
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