Pocket Watch Database


From the American Horology Archive:
Seth Thomas Grade 210 Pocket Watch

Seth Thomas Watch Co.

Grade: 210

Manufacturer: Seth Thomas Question Mark
Manufacturer Location: Thomaston, Connecticut Question Mark
Movement Serial Number: 2502167 Question Mark
Grade: 210 Question Mark
Model: 8 Question Mark
Estimated Production Year: 1910 Question Mark
Run Quantity: 2,000 Question Mark
Grade/Model Run: 9 of 16 Question Mark
Grade/Model Total Production: 11,300 Question Mark
Variant Est. Production: 5,900 (18S-M8-17J-ONP) Question Mark
Size: 18s Question Mark
Jewels: 17j Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Finish Pattern: Stripe Question Mark
Movement Setting: Pendant Question Mark
Plate: 3/4 Plate Question Mark
Regulator: Reed Question Mark
Hairspring: Breguet Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Movement Markings: Seth Thomas
Thomaston, Conn.
17 Jewels
Safety Pinion
Case: Various Question Mark
Run ID: 1083.210G9.18S921.188M90.O603.P110.17J228 Question Mark
Database Version: v52.528 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
34.02 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
100.00 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.797% Question Mark
Registry Population:
Scoped for This Run Only
7 (0.35%) Question Mark

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Verification Reports for this Run

The following reports have been graciously submitted by dedicated members in reference to this production run. These reports are useful to verify data and track inaccuracies that require further research. Please note that reports may contain inaccurate information or assumptions that must be dilligently considered with other available sources.


Anonymous · March 4, 2021

Serial Number 2502060 was reported as inaccurate.

Note: 17 jewels 18s
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.
Changes since this report was submitted:
Grade changed from Unknown to 210
Size changed from Unknown to 18
Plate changed from Unknown to 3/4

Anonymous · February 8, 2017

Serial Number 2501434 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 210
Size changed from 16 to 18
Seth Thomas Grade 210 Pocket Watch