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9.75''', Dm= 22.0mm, Do= 22.6mm
f = 18000 A/h
power reserve 41h
Balance staff U3363
Mainspring / battery
1.15 x 9.0 x 0.10mm
1.35 x 0.80 x 0.20mm
Comments about the data
1961-1975 (Belarus Plant: Vympel, Poljot 2209)
1975-1979 (Minsk Watch Factory: Luch 2209)
Vympel, Poljot 2209, and early Luch 2209 are the same. Only manufaturing was transfered to another factory in 1975.
late samples with different mobile stud carriers and ring balance (Fig.3, 7)
Unique design (Fig.5, 6): With an intermediate wheel A between central minute pinion B and a separate minute wheel C the complete train is moved to the periphery (Fig.6). And due to the indirect sweep second, there is also no second wheel in the center. Thus neither balance nor barrel is overlapped by any wheel, and the complete height is avalaible for barrel and balance. The result is a rather low profile without reducing sturdiness or accuracy.
Wheel C is not actually a minute wheel; the gear ratio between its pinion (8 teeth) and the central minute pinion B (12 teeth) was optimized, and wheel C turns once in 40 minutes.
Example, year: signature; shock device
1-2) ca. 1975: 846733, Luch, 2209, (Cyrillic: 23 jewels); Poljot
3-6) ca. 1977: Luch, 2209, (Cyrillic: 23 jewels); Poljot
7-8) ca. 1979: 2209, SU, (Cyrillic: 23 jewels); 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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