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The Encyclopedia of Horology

Calibre database

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Specifications

FieldMolnija 3602
MakerChelyabinsk Watch Factory (Molnija)
CountrySoviet Union (Chelyabinsk)
PeriodSecond half of the twentieth century
DiameterApprox. 36 mm
HeightApprox. 4.5 mm
Jewels18
Frequency18,000 vph (2.5 Hz)
Power reserveApprox. 40 hours
WindingHand wind
SettingPull-out crown
EscapementSwiss-type lever
BalanceMonometallic balance, shock protection on later production
ComplicationsSubsidiary seconds
ArchitectureA Soviet pocket-watch calibre derived from the Cortébert 616 design, produced in very large quantity at Chelyabinsk and widely used in both plain and presentation pocket watches.