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12.5''', Dm= 28.0mm, Do= 28.5mm
f = 18000 A/h
power reserve 44h
Balance staff U3116
2.4 x 1.70 x 0.24mm
Comments about the data
Wostok, Watch Factory Tschistopol
most nickel plated, some gold plated
strange: indirectly driven minute and second as well as the escape-wheel bearing underneath the balance allow a big balance (design similar to the Zenith 135)
The movements for Wolna- and Wostok watches had to pass tests similar to those of the COSC. Movements which didn't pass the test, were used for the cheaper brand Almaz (cf. Wostok 2809B).
2809 : 22 jewels, chronometer, Reed's regulator
2809B: 18 jewels, simple regulator
Example, year: signature; shock device
ca. 1965: 70079, Wostok (Tschistopol Watch Factory), 22 Kamnei (Cyrillic: 22 jewels) - 117; Poljot
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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