


Molnia 3602A Watch Spare Parts: Specialist Guide for Collectors and Watchmakers
The Molnia 3602A is a robust manual wind movement, widely used in Soviet pocket watches starting around 1972. It closely resembles the standard Molnia 3602, with a 16 ligne (approximately 36.6 mm) diameter, 4.65 mm thickness, and 18 jewels. The movement runs at a frequency of 18,000 vibrations per hour and typically delivers a power reserve of about 41 hours. Its reliable Lepine construction and sweep seconds function make it popular for both restoration and collecting.
Key Technical Specifications
Calibre: Molnia 3602A
Type: Manual wind, sub seconds at 6 o’clock
Diameter: 36.6 mm (16 lignes)
Height: 4.65 mm
Jewels: 18
Frequency: 18,000 vph
Power Reserve: Approx. 41 hours
Escapement: Swiss pallet lever
Balance: Screw balance with Breguet overcoil hairspring
Shock Protection: None (standard for most pocket watches)
Common Spare Parts
Balance Assembly & Staff: For precise timekeeping; model-specific for Molnia 3602A
Mainspring & Barrel: Key for sustained power, see 1.00 x 0.120 x 10.5 mm mainspring size
Stem & Crown: For reliable winding and time setting
Gear Train Wheels: Center, third, fourth, and escape wheels for efficient energy transmission
Pallet Fork & Escape Wheel: Fundamental to escapement accuracy
Jewels & Bearings: Cap jewels on top and bottom, ruby bearings for reduced friction
Hands: Must fit 36 mm movement and match original style
Maintenance and Sourcing Tips
Confirm 3602A marking and match parts by measurements
Prioritize original Soviet, NOS, or compatible Swiss spare parts for best results
Use watchmakers skilled in Molnia and Cortebert-style constructions
Importance of Genuine Spare Parts
Ensures reliable precision and long service intervals
Maintains historic character and original value
Supports comfortable restoration for everyday use and collecting
For Molnia 3602A, authentic spare parts ensure lasting accuracy, robust performance, and the preservation of Soviet pocket watch history.
For any Watch Spare Parts inquiry, Email us for rate and availability: [email protected]
Watch Parts Enquiry
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Stem, Crown, Hands & Spares might be available for this movement.
Email us for rate and availability: [email protected]
Mobile/WhatsApp: +91- 9841 360 340