Pocket Watch Database

From the American Horology Archive:
Seth Thomas Grade 55 Pocket Watch

Seth Thomas Watch Co.

Grade: 55

Manufacturer: Seth Thomas Question Mark
Manufacturer Location: Thomaston, Connecticut Question Mark
Movement Serial Number: 27300 Question Mark
Grade: 55 Question Mark
Model: 3 Question Mark
Estimated Production Year: 1888 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 5 of 9 Question Mark
Grade/Model Total Production: 5,890 Question Mark
Size: 18s Question Mark
Jewels: 11j Question Mark
Jewel Setting: Burnished Jewels Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Gilt Question Mark
Movement Setting: Lever Question Mark
Plate: 3/4 Plate Question Mark
Balance Type: Expansion Question Mark
Regulator: Reed Question Mark
Hairspring: Flat Question Mark
Standard Dial Type: Single-Sunk 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: 37.55G8.18S37.183M25.O35.L37.11J13 Question Mark
Data Research: 1904 Seth Thomas Serial List
Question Mark
Database Version: v52.478 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
17.73 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
51.91 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.425% Question Mark
Registry Population:
Scoped for This Run Only
2 (0.20%) Question Mark

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

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 · April 9, 2021

Serial Number 27526 was reported as accurate.

jewelofthenile 1 · April 7, 2016

Serial Number 27967 was reported as accurate.

Seth Thomas Grade 55 Pocket Watch