Pocket Watch Database

From the American Horology Archive:
Seth Thomas Grade 291 Pocket Watch

Seth Thomas Watch Co.

Grade: 291

Manufacturer: Seth Thomas
Manufacturer Location: Thomaston, Connecticut
Movement Serial Number: 237445
Grade: 291
Model: 5
Estimated Production Year: 1913
Run Quantity: 300
Grade/Model Run: 4 of 4
Grade/Model Total Production: 1,100
Size: 18s
Jewels: 21j
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Two-Tone
Finish Pattern: Gamse
Movement Inlay Color: Black
Movement Setting: Lever
Plate: Full Plate
Regulator: Micrometric
Hairspring: Breguet
Standard Dial Type: Double-Pressed
Adjusted: Yes
Adjusted to Position: No
Adjusted to Temperature: Yes
Movement Markings: Seth Thomas
Thomaston, Conn.
Safety Pinion.
Adjusted
21 Jewels
Case: Various
Run ID: 514.291G4.18S443.185M211.O301.L483.21J36
Data Research: 1904 Seth Thomas Serial List
Database Version: v52.343
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
3.31
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
9.33
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.078%
Registry Population: 7 (2.33%)

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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 · April 5, 2022

Serial Number 237607 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Grade changed from 182 Special to 291
Jewels changed from 17j to 21j

Anonymous · May 5, 2019

Serial Number 237541 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Grade changed from Unknown to 291

Anonymous · February 17, 2018

Serial Number 237432 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 291

Gimparoo Supporter 703 · October 11, 2017

Serial Number 237567 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 291

Pocketwatchlover 71 · April 29, 2017

Serial Number 237531 was reported as inaccurate.

Note: Grade 280
Curator Response: Grade 280 is not an official Seth Thomas grade.
Changes since this report was submitted:
Grade changed from Unknown to 291

Anonymous · January 12, 2017

Serial Number 237531 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 291

Anonymous · November 16, 2016

Serial Number 237442 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 291
Movement Setting changed from Lever or Pendant to Lever

Anonymous · June 24, 2016

Serial Number 237641 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 291

Anonymous · June 18, 2016

Serial Number 237698 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 291

Anonymous · May 23, 2016

Serial Number 237698 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 291

wabash 134 · June 11, 2015

Serial Number 237561 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 291

wabash 134 · February 13, 2015

Serial Number 237653 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 291
Seth Thomas Grade 291 Pocket Watch