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|Alpina 835 (Rolex 200)|
6.75 x 11''', Dm= 15.1 x 24.55mm
f = 18000 A/h
power reserve 50h
Balance staff U2584
1.23 x 0.80 x 0.20mm
Comments about the data
Alpina Gruen Gilde 1929-1937
bimetallic screw balance, Breguet hairspring
identical movements Alpina 835, Gruen 835, Rolex 200
manufacturer: Aegler (Rolex)
835: sub second
835SS: sweep second
Swiss Patent 97101:
design of the stem mechanism
filed 08-02-1921, Aegler S.A. Rolex Watch Co., Bienne (CH)
Example, year: signature; shock device
ca. 1930: 1740705, 835, Gruen Guild, 4 Adj., 15 Jewels, Swiss - 0705, Patent +97101
(Gruen 835SS, sweep second)
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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