Pocket Watch Database

From the American Horology Archive:
Seth Thomas Grade 506 Pocket Watch

Seth Thomas Watch Co.

Grade: 506

Manufacturer: Seth Thomas Question Mark
Manufacturer Location: Thomaston, Connecticut Question Mark
Movement Serial Number: 95501 Question Mark
Grade: 506 Question Mark
Model: 3 Question Mark
Estimated Production Year: 1895 Question Mark
Run Quantity: 20 Question Mark
Grade/Model Run: 5 of 5 Question Mark
Grade/Model Total Production: 1,200 Question Mark
Variant Est. Production: 20 (18S-M3-17J-OTL) Question Mark
Size: 18s Question Mark
Jewels: 17j Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Two-Tone Question Mark
Movement Setting: Lever Question Mark
Plate: 3/4 Plate Question Mark
Balance Type: Expansion Question Mark
Regulator: Reed Question Mark
Hairspring: Breguet Question Mark
Standard Dial Type: Double-Sunk Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Movement Markings: Railway Queen
Cleveland, Ohio.
Adjusted to Temperate & Position
Case: Various Question Mark
Run ID: 224.506G5.18S222.183M76.O86.L206.17J25 Question Mark
Data Research: 1904 Seth Thomas Serial List
Question Mark
Database Version: v52.516 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
3.61 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
10.22 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.087% Question Mark
Registry Population:
Scoped for This Run Only
2 (10.00%) 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.


webbcball 1 · March 25, 2023

Serial Number 95509 was reported as accurate.

Anonymous · May 27, 2019

Serial Number 95515 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 506
Movement Finish changed from Gilt or Nickel to Two-Tone

Anonymous · March 16, 2019

Serial Number 95516 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 506
Jewels changed from 19j to 17j
Movement Finish changed from Nickel to Two-Tone

Anonymous · August 30, 2018

Serial Number 95516 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 506
Jewels changed from 19j to 17j
Movement Finish changed from Nickel to Two-Tone

Anonymous · February 26, 2017

Serial Number 95516 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 506
Jewels changed from 19j to 17j
Movement Finish changed from Nickel to Two-Tone

Anonymous · July 27, 2013

Serial Number 95516 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 506
Jewels changed from 19j to 17j
Movement Finish changed from Nickel to Two-Tone
Seth Thomas Grade 506 Pocket Watch