Pocket Watch Database

From the American Horology Archive:
Seth Thomas Grade 101 Pocket Watch

Seth Thomas Watch Co.

Grade: 101

Manufacturer: Seth Thomas
Manufacturer Location: Thomaston, Connecticut
Movement Serial Number: 20640
Grade: 101
Model: 3
Estimated Production Year: 1887
Run Quantity: 500
Grade/Model Run: 3 of 6
Grade/Model Total Production: 2,400
Size: 18s
Jewels: 15j
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Gilt
Movement Setting: Lever
Plate: 3/4 Plate
Balance Type: Expansion
Regulator: Reed
Hairspring: Flat
Standard Dial Type: Double-Sunk
Adjusted: Yes
Movement Markings: Seth Thomas
Thomaston, Conn.
Safety Pinion
Case: Various
Run ID: 22.101G5.18S22.183M14.O22.L22.15J9
Database Version: v51.870
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
Registry Population: 4 (0.80%)

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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 · June 10, 2023

Serial Number 20581 was reported as accurate.

SethThomasFan Top Contributor Seth Thomas Expert Supporter 246 · January 28, 2023

Serial Number 20640 was reported as accurate.

Anonymous · December 8, 2021

Serial Number 20902 was reported as inaccurate.

Note: #20,902 is a 7 jewel watch
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · April 18, 2018

Serial Number 20995 was reported as inaccurate.

Note: Watch is 7 jewel with simple regulator. Gilt
Seth Thomas Grade 101 Pocket Watch