The Zaria 1801 watch movement is a manual wind mechanical caliber introduced around 1955, manufactured originally at the Minsk Watch Factory in Belarus (then part of the USSR). It is a development derived from earlier movements designed at the Penza Watch Factory, showcasing mid-20th century Soviet watchmaking technology.
Key Features of the Zaria 1801 Movement:
Manual winding mechanism: The movement requires daily winding to keep the watch running.
Stem unlocking: Its winding stem is uniquely designed to be unlocked only by removing the setting-lever spring, making servicing more specialized.
Derived design: It is a modification of the caliber 1800, another manual wind movement popular in ladies’ watches.
Size and construction: The caliber 1801 retains the solid build typical of 1950s mechanical watches, with Swiss-style lever escapement technology.
Jewels and balance: It generally features 16 to 17 jewels and uses a screw or anular balance for accurate timekeeping.
Beat rate: Operates at 21,600 vibrations per hour (A/h), which is a standard for mid-century mechanical movements.
No shock protection: Like its predecessor 1800, the 1801 typically lacks modern shock protection, which is a notable aspect for collectors and restorers.
Historical relevance: It was produced contemporaneously at Minsk with technical input from Penza’s watchmaking experts as the factories collaborated to develop and improve Soviet watch calibers.
The Zaria 1801 remains of interest for horologists and vintage watch collectors due to its solid mechanics, historical Soviet production context, and its relation to important watchmaking factories of the USSR. Its mechanical simplicity, coupled with a robust mid-century design, makes it a collectible vintage movement for those restoring or studying Eastern European watches.
This movement highlights the transition period in Soviet watchmaking from purely functional timepieces to more refined mechanical constructions, reflecting advances in tooling and design shared among USSR watch factories.
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Stem, Crown, Hands & Spares might be available for this movement.
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