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The Encyclopedia of Horology

Serial-number guide

Vostok (Chistopol Watch Factory) Serial Numbers

Needs research

What a Vostok (Chistopol Watch Factory) serial number can establish, what it cannot, and how to record a date estimate another researcher could check.

Diagram

maker or gradeserialcase hallmarksimport and assay marks
Schematic: where markings are found. An outline schematic drawn to show the arrangement of the parts discussed here. It is not a dimensioned working drawing and does not depict a particular maker's calibre.

Method

Reading the number, step by step

  1. 1. Find the movement number

    Soviet watches were factory-cased; case and movement belong together, but neither number is reliably a chronological serial.

  2. 2. Understand what it encodes

    Case-back markings often encode movement calibre and case type rather than a dateable serial; some periods use date codes, but published decoding is incomplete and contested in places.

  3. 3. Judge how precise the date can be

    Limited to moderate: calibre identification gives a production-period range; claimed exact-year decodings from case numbers should be treated cautiously.

  4. 4. Check the records behind the tables

    Soviet and Russian factory documentation is not publicly systematised; numbering practice changed across periods and is not a clean chronological serial system.

Quick facts

Manufacturer
Vostok (Chistopol Watch Factory)
Dating confidence
Estimate only — see notes
Editorial status
Needs research

Sources & references

  1. Soviet watch reference literature
  2. Community-compiled Vostok references (use with caution)

Where sources disagree, the disagreement is stated rather than resolved silently.

Limits

What the number does not prove

Questions

Frequently asked

Where is the serial number on a Vostok (Chistopol Watch Factory) watch?
Soviet watches were factory-cased; case and movement belong together, but neither number is reliably a chronological serial.
What do Vostok (Chistopol Watch Factory) serial numbers mean?
Case-back markings often encode movement calibre and case type rather than a dateable serial; some periods use date codes, but published decoding is incomplete and contested in places.
How accurate is dating a Vostok (Chistopol Watch Factory) watch by serial number?
Limited to moderate: calibre identification gives a production-period range; claimed exact-year decodings from case numbers should be treated cautiously.
Where are Vostok (Chistopol Watch Factory) production records held?
Soviet and Russian factory documentation is not publicly systematised; numbering practice changed across periods and is not a clean chronological serial system.

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