Pocket Watch Database

From the American Horology Archive:
Seth Thomas Grade 180 Pocket Watch

Seth Thomas Watch Co.

Grade: 180

Manufacturer: Seth Thomas
Manufacturer Location: Thomaston, Connecticut
Movement Serial Number: 505972
Grade: 180
Model: 2
Estimated Production Year: 1898
Run Quantity: 50
Grade/Model Run: 3 of 6
Grade/Model Total Production: 990
Size: 18s
Jewels: 17j
Jewel Setting: Screw-Set
Movement Configuration: Hunting
Movement Finish: Nickel
Movement Setting: Lever
Plate: 3/4 Plate
Balance Type: Expansion
Regulator: Reed
Hairspring: Flat
Adjusted: Yes
U.S. Patents: 374359
Movement Markings: Seth Thomas
Thomaston, Conn.
Safety Pinion
Pat'd Dec.6.'87.
Adjusted
17 Jewel
Case: Various
Run ID: 686.180G3.18S571.182M143.H256.L600.17J196
Database Version: v52.246
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
2.98
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
8.36
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.070%
Registry Population: 1 (2.00%)

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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 303 · August 26, 2023

Serial Number 505972 was reported as inaccurate.

Note: Grade: 180
Movement Finish: Nickel
Curator Response: Thanks for the report. The database has been updated accordingly.
Changes since this report was submitted:
Grade changed from 80 to 180
Movement Finish changed from Gilt to Nickel
Seth Thomas Grade 180 Pocket Watch