Pocket Watch Database

From the American Horology Archive:
Seth Thomas Grade 320 Pocket Watch

Seth Thomas Watch Co.

Grade: 320

Private Label(s) in Run:

Knickerbocker Watch Co. - New York

What is a Private Label?
Manufacturer: Seth Thomas Question Mark
Manufacturer Location: Thomaston, Connecticut Question Mark
Movement Serial Number: 3063283 Question Mark
Grade: 320 Question Mark
Variation: Knickerbocker Question Mark
Model: Centennial Question Mark
Estimated Production Year: 1912 Question Mark
Run Quantity: 2,000 Question Mark
Grade/Model Run: 9 of 12 Question Mark
Grade/Model Total Production: 24,100 Question Mark
Variant Est. Production: 8,600 (6S-MCENTENNIAL-7J-NP-U-KNICKERBOCKER) Question Mark
Size: 6s Question Mark
Jewels: 7j Question Mark
Movement Finish: Nickel Question Mark
Finish Pattern: Stripe Question Mark
Movement Setting: Pendant Question Mark
Regulator: Plain Question Mark
Hairspring: Flat Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Movement Markings: Knickerbocker Watch Co.
New York
Case: Various Question Mark
Run ID: 1112.320G9.6S154.M12.U58.P153.7J366 Question Mark
Database Version: v52.462 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
72.56 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
213.78 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
1.701% Question Mark
Registry Population:
Scoped for This Run Only
1 (0.05%) 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.


SethThomasFan Top Contributor Seth Thomas Expert Supporter 398 · August 14, 2023

Serial Number 3063283 was reported as inaccurate.

Note: Variation: Knickerbocker
Movement Finish: Nickel
Movement Markings: Knickerbocker Watch Co.
New York
Curator Response: Thanks for the report. The database has been updated accordingly.
Changes since this report was submitted:
Movement Finish changed from Two-Tone to Nickel
Seth Thomas Grade 320 Pocket Watch