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Enter the serial number from the pocket watch movement below. Do not use the case number. Tips for looking up your watch

How to Find Info About Your Pocket Watch

The Pocket Watch Database has compiled data covering the major American pocket watch manufacturers and created an easy way to find information using the serial number on the watch movement. Here are a few tips to find information about your pocket watch:

  1. Always input the serial number from the pocket watch movement (the "guts" of the watch).
  2. Never use the serial number from the case or any other part.
  3. If the serial number includes a letter, enter it along with the number when using the lookup feature.
  4. Many pocket watch case backs screw off. Others may require a dull wide blade to pry or pop the cover. Be careful not to scratch or damage the movement.
  5. Always select the correct manufacturer, which is usually stamped on the watch movement.
  6. If the manufacturer is not listed on the site, you may have a "private label" watch or it may not be American-made.
  7. Understand that many companies did not keep accurate or complete records. As a result, information displayed on this site may have inaccuracies. This is to be expected, and we have included an option to report inaccurate information on the result pages so the database can be continually improved.
Pocket Watch Serial Number Lookup - Hamilton, South Bend, Illinois, Rockford, Waltham & Elgin Pocket Watches
  Serial Number:
Need to replace a watch crystal? Use our new crystal size guide to find the proper fit.

Grade: 4992B

992B manufactured from leftover 4992B parts.

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 4C142432
Grade: 4992B
Model: 5
Estimated Production Year: 1970
Run Quantity: 10,000
Total Production: 144,995
Size: 16s
Jewels: 22j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: 3/4 Plate
Adjusted: Yes
Adjusted # of Positions: 6
Adjusted to Temperature: Yes
Railroad Grade: No
Dial Feet Locations: 22.3, 38.0, 57.1
Hamilton 16s Dial Feet Research
Data Research: 1953 Hamilton Serial List
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Data Confidence Rating:

Verifications & Observations

4C135001
Verification Serial Map
4C145000
  • August 31, 2019:
    Serial Number 4C142317 was reported as accurate
  • June 24, 2019:
    Serial Number 4C144772 was reported as inaccurate
    Note: 992b
    21j
    year of production 1967-1968
  • June 8, 2019:
    Serial Number 4C143645 was reported as accurate
  • March 13, 2019:
    Serial Number 4C138877 was reported as accurate
  • January 7, 2019:
    Serial Number 4C137784 was reported as accurate
  • November 20, 2018:
    Serial Number 4C137803 was reported as inaccurate
    Note: Movement is Pendent set
    Changes since this report was submitted:
    Movement Setting changed from Lever to Pendant
    Railroad Grade changed from Yes to No
  • October 26, 2018:
    Serial Number 4C139482 was reported as accurate
    Changes since this report was submitted:
    Movement Setting changed from Lever to Pendant
    Railroad Grade changed from Yes to No
  • December 22, 2017:
    Serial Number 4C144892 was reported as inaccurate
    Note: There were less than 1000 of these "4C Prefix"
    1970 Hamilton 992B's made after Hamilton closed
    the factory on 1969. The 4C prefix serial number
    id the leftover Hamilton military 4992B's made for
    the Military in the 1940's.
    Changes since this report was submitted:
    Movement Setting changed from Lever to Pendant
    Railroad Grade changed from Yes to No
  • September 18, 2017:
    Serial Number 4C144867 was reported as inaccurate
    Note: It is marked 21 jewels
    Curator Response: Thanks for the report. The additional jewel for the sweep second mechanism makes it 22 jewels even though the base movement may be marked "21 Jewels."
    Changes since this report was submitted:
    Movement Setting changed from Lever to Pendant
    Railroad Grade changed from Yes to No
  • August 8, 2017:
    Serial Number 4C144938 was reported as accurate
    Changes since this report was submitted:
    Movement Setting changed from Lever to Pendant
    Railroad Grade changed from Yes to No
  • June 12, 2017:
    Serial Number 4C141499 was reported as accurate
    Changes since this report was submitted:
    Movement Setting changed from Lever to Pendant
    Railroad Grade changed from Yes to No
  • May 23, 2017:
    Serial Number 4C137784 was reported as inaccurate
    Note: Watch is pendant set, not lever set.
    Changes since this report was submitted:
    Movement Setting changed from Lever to Pendant
    Railroad Grade changed from Yes to No
  • May 22, 2017:
    Serial Number 4C135742 was reported as accurate
    Changes since this report was submitted:
    Movement Setting changed from Lever to Pendant
    Railroad Grade changed from Yes to No
  • May 20, 2017:
    Serial Number 4C142756 was reported as accurate
    Changes since this report was submitted:
    Movement Setting changed from Lever to Pendant
    Railroad Grade changed from Yes to No
  • May 8, 2017:
    Serial Number 4C141381 was reported as accurate
    Changes since this report was submitted:
    Movement Setting changed from Lever to Pendant
    Railroad Grade changed from Yes to No
  • January 12, 2017:
    Serial Number 4C144962 was reported as accurate
    Changes since this report was submitted:
    Movement Setting changed from Lever to Pendant
    Railroad Grade changed from Yes to No
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