Pocket Watch Database


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

Seth Thomas Watch Co.

Grade: Century

Private Label(s) in Run:

Lake Shore

What is a Private Label?
Manufacturer: Seth Thomas Question Mark
Manufacturer Location: Thomaston, Connecticut Question Mark
Movement Serial Number: 998495 Question Mark
Grade: Century Question Mark
Variation: Sentinel Question Mark
Model: 18 Question Mark
Estimated Production Year: 1910 Question Mark
Run Quantity: 2,000 Question Mark
Grade/Model Run: 15 of 24 Question Mark
Grade/Model Total Production: 65,500 Question Mark
Variant Est. Production: 2,000 (6S-M18-7J-HTL-A-SENTINEL) Question Mark
Size: 6s Question Mark
Jewels: 7j Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Two-Tone Question Mark
Finish Pattern: Stripe 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-Sunk Question Mark
Adjusted: Yes Question Mark
Railroad Grade: No Question Mark
Movement Markings: Sentinel U.S.A.
17 Jewels
Adjusted
Case: Various Question Mark
Run ID: 1012.G15.6S143.618M16.H423.L914.7J295 Question Mark
Database Version: v52.528 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
197.20 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
581.78 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
4.622% Question Mark
Registry Population:
Scoped for This Run Only
2 (0.10%) Question Mark

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

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 415 · June 6, 2024

Serial Number 998495 was reported as accurate.

SethThomasFan Top Contributor Seth Thomas Expert Supporter 415 · June 5, 2024

Serial Number 998495 was reported as inaccurate.

Note: Jewels: 7j
Grade: Century
Movement Finish: Two-Tone
Variation: Sentinel
Movement Markings: Sentinel
U.S.A.
17 Jewels
Adjusted
Curator Response: Thanks for the report. The database has been updated accordingly.
Changes since this report was submitted:
Grade changed from 205 to Century
Movement Finish changed from Nickel to Two-Tone
Jewels changed from 15j to 7J
Adjusted changed from No to Yes
Seth Thomas Grade Century Pocket Watch