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: 1285909 Question Mark
Grade: Century Question Mark
Model: 12 Question Mark
Estimated Production Year: 1898 Question Mark
Run Quantity: 69,000 Question Mark
Grade/Model Run: 31 of 33 Question Mark
Grade/Model Total Production: 264,000 Question Mark
Variant Est. Production: 194,500 (18S-M12-7J-ONP) 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: Pendant 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: 1041.G44.18S896.1812M37.O595.P96.7J327 Question Mark
Database Version: v52.433 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
18.643% Question Mark
Registry Population:
Scoped for This Run Only
32 (0.05%) Question Mark

Help Us Help Others By Improving the Database:

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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 · September 4, 2023

Serial Number 1295867 was reported as accurate.

SethThomasFan Top Contributor Seth Thomas Expert Supporter 391 · January 26, 2023

Serial Number 1246408 was reported as accurate.

Anonymous · June 3, 2022

Serial Number 1270799 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 11j to 7J
Factory Model changed from 18 to 12

Anonymous · November 19, 2021

Serial Number 1285909 was reported as accurate.

Changes since this report was submitted:
Size changed from 16 to 18
Factory Model changed from 18 to 12

Anonymous · August 26, 2020

Serial Number 1236271 was reported as inaccurate.

Note: The setting is lever set!
Curator Response: Thanks for the report. Since there is no serial number on the movement, it is not possible to generate lookup data that fits 100% of the non-serialized movements.
Changes since this report was submitted:
Factory Model changed from 18 to 12
Plate changed from Unknown to 3/4

Anonymous · March 9, 2020

Serial Number 1235288 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 18 to 12

Anonymous · March 5, 2020

Serial Number 1232455 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 18 to 12

Anonymous · January 2, 2020

Serial Number 1296022 was reported as accurate.

Anonymous · February 27, 2019

Serial Number 1262747 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 · October 26, 2018

Serial Number 1262747 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 11j to 7J
Factory Model changed from 18 to 12

Anonymous · September 25, 2018

Serial Number 1264168 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 11j to 7J
Factory Model changed from 18 to 12

davidwall 3 · June 30, 2018

Serial Number 1237488 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 11j to 7J
Factory Model changed from 18 to 12

Anonymous · February 5, 2018

Serial Number 1235288 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 11j to 7J
Factory Model changed from 18 to 12

Anonymous · January 17, 2018

Serial Number 1235283 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 11j to 7J
Factory Model changed from 18 to 12

Anonymous · September 9, 2017

Serial Number 1262747 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 11j to 7J
Factory Model changed from 18 to 12

DrNagle 1 · December 30, 2016

Serial Number 1281311 was reported as inaccurate.

Note: The watch is marked Century USA. Other websites
suggest Century was made by Seth Thomas, but I
don't feel confident. Any thoughts?
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

nanalock 5 · December 25, 2016

Serial Number 1245685 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Grade changed from Unknown to Century
Movement Finish changed from Two-Tone to Nickel
Movement Setting changed from Lever to Pendant
Seth Thomas Grade Century Pocket Watch