Pocket Watch Database


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

Seth Thomas Watch Co.

Grade: Century

Manufacturer: Seth Thomas Question Mark
Manufacturer Location: Thomaston, Connecticut Question Mark
Movement Serial Number: 1134972 Question Mark
Grade: Century Question Mark
Model: 12 Question Mark
Estimated Production Year: 1898 Question Mark
Run Quantity: 31,000 Question Mark
Grade/Model Run: 12 of 33 Question Mark
Grade/Model Total Production: 264,000 Question Mark
Variant Est. Production: 47,000 (18S-M12-7J-ONL) Question Mark
Size: 18s Question Mark
Jewels: 7j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Finish Pattern: Radiant Question Mark
Movement Setting: Lever Question Mark
Plate: 3/4 Plate Question Mark
Regulator: Plain Question Mark
Hairspring: Flat Question Mark
Standard Dial Type: Single-Pressed Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Movement Markings: Century U.S.A.
Case: Various Question Mark
Run ID: 1034.G27.18S885.1812M18.O582.L917.7J313 Question Mark
Database Version: v52.528 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
794.84 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
2,346.22 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
18.629% Question Mark
Registry Population:
Scoped for This Run Only
8 (0.03%) 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.


cjbrem Supporter 967 · December 26, 2024

Serial Number 1113410 was reported as accurate.

SethThomasFan Top Contributor Seth Thomas Expert Supporter 415 · May 19, 2024

Serial Number 1137013 was reported as accurate.

SethThomasFan Top Contributor Seth Thomas Expert Supporter 415 · May 18, 2023

Serial Number 1122598 was reported as inaccurate.

Note: Movement Setting: Lever
(Visible in New Photo of Dial)
Curator Response: Thanks for the report. The database has been updated accordingly.
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever

Anonymous · June 23, 2021

Serial Number 1134098 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to Century

Anonymous · March 25, 2020

Serial Number 1138317 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to Century

WatchDee 19 · May 24, 2018

Serial Number 1118965 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Grade changed from Unknown to Century
Size changed from Unknown to 18
Plate changed from Unknown to 3/4

Anonymous · September 13, 2017

Serial Number 1115387 was reported as inaccurate.

Note: on face of the watch underneath the No:12 is the
word Century, below the word Century U.S.A, case
says CHAMPION, serial # of case 2750645.
Changes since this report was submitted:
Grade changed from Unknown to Century
Size changed from Unknown to 18
Plate changed from Unknown to 3/4
Seth Thomas Grade Century Pocket Watch