Molnija Caliber 3602 18-Jewel Mechanical Pocket Watch Movement

Watch · Not applicable (Steel, brass, and synthetic rubies)

Purity: Not applicable (Base metal movement components)

Molnija Caliber 3602 18-Jewel Mechanical Pocket Watch Movement

Type

Watch

Purity

Not applicable (Base metal movement components)

Gold Type

Not applicable (Steel, brass, and synthetic rubies)

Weight

Estimated movement weight approximately 15 to 25 grams

Description

A classic Soviet-era mechanical pocket watch movement, specifically the robust and widely produced Molnija Caliber 3602. Featuring 18 ruby jewels, visible gear trains, and distinct factory serial and caliber stampings, this movement represents durable Soviet horological engineering. The architecture is heavily inspired by the French Cortebert 548 movement, adapted for mass production to serve military, railway, and civilian needs.

Key Features

Prominent 'SU' export stamp indicating Soviet Union manufacture, 18-jewel layout, manual-wind caliber 3602 marking, and individual serial number 341852

Color & Finish

Steel bridges with circular brushing (Côtes de Genève style or similar mechanical finish), polished screw heads, and brass gear wheels

Hallmarks & Stamps

Stamps visible include serial number 341852, 'SU' (Soviet Union export mark), '18 Jewels', and '3602'

Dimensions Estimate

Standard 36mm pocket watch movement diameter

Gemstones & Inlays

18 synthetic ruby jewels used as bearing bushings to reduce friction

Clasp & Closure

Not applicable

Chain & Links

Not applicable

Craftsmanship Details

Utilitarian industrial mass-manufactured finishing, featuring standard mechanical gear cutting, stamped metal bridges, screwed chatons, and functional rubies

Authentication Indicators

Authentic Soviet Molnija 3602 layout with standard Cyrillic/export factory stampings, characteristic bridge shapes, and standard screw placement for this movement family

Origin & Maker

Molnija (Lightning) Watch Factory, Chelyabinsk, Soviet Union

Era & Period

Soviet Era (Mid to Late 20th Century)

Age Estimate

Circa 1960s to 1980s based on the 'SU' stamp and movement styling

Cultural Significance

Molnija watches are enduring symbols of Soviet industrial manufacturing, known for their utilitarian durability, oversized proportions, and widespread daily use across the USSR.

Condition Notes

Fair to Good vintage condition. Visible surface dust and standard age-related patina on components. Balance assembly and gear train appear intact, but functionality requires professional verification.

Value Estimate

Low to Moderate collector value, typically ranging from $30 to $100 depending on overall functional condition and whether it is housed in its original pocket watch case

Care & Maintenance

Keep away from moisture and magnetic fields. Requires professional cleaning, lubrication, and adjustment by a watchmaker experienced in vintage mechanical movements.

Similar Items

Cortebert 548 movements, Soviet Zlatoust military divers' watch movements, and other vintage Molnija 3601 or 3603 calibers

Interesting Facts

The Molnija factory was established in 1947 in Chelyabinsk, supplying watches primarily to the Soviet military, tank commanders, and navy, as well as producing reliable pocket watches for the general public.

Identified on 9/27/2026
Molnija Caliber 3602 18-Jewel Mechanical Pocket Watch Movement | Gold Identifier