Pocket Watch Database

From the American Horology Archive:
Seth Thomas Grade 173 Pocket Watch

Seth Thomas Watch Co.

Grade: 173

Manufacturer: Seth Thomas Question Mark
Manufacturer Location: Thomaston, Connecticut Question Mark
Movement Serial Number: 204435 Question Mark
Grade: 173 Question Mark
Model: 5 Question Mark
Estimated Production Year: 1894 Question Mark
Run Quantity: 100 Question Mark
Grade/Model Run: 4 of 9 Question Mark
Grade/Model Total Production: 1,260 Question Mark
Variant Est. Production: 1,250 (18S-M5-15J-ONL) Question Mark
Size: 18s Question Mark
Jewels: 15j Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Regulator: Micrometric Question Mark
Hairspring: Breguet Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Movement Markings: Seth Thomas
Thomaston, Conn.
Safety Pinion.
Case: Various Question Mark
Run ID: 321.173G4.18S250.185M16.O108.L303.15J118 Question Mark
Data Research: 1904 Seth Thomas Serial List
Question Mark
Database Version: v52.433 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
3.79 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
10.76 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.089% Question Mark
Registry Population:
Scoped for This Run Only
2 (2.00%) 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.


SethThomasFan Top Contributor Seth Thomas Expert Supporter 391 · June 16, 2023

Serial Number 204467 was reported as accurate.

SethThomasFan Top Contributor Seth Thomas Expert Supporter 391 · June 15, 2023

Serial Number 204467 was reported as inaccurate.

Note: Regulator: Micro-Regulator
Curator Response: Thanks for the report. The database has been updated accordingly.
Seth Thomas Grade 173 Pocket Watch