Pocket Watch Database

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

Seth Thomas Watch Co.

Grade: 320

Manufacturer: Seth Thomas
Manufacturer Location: Thomaston, Connecticut
Movement Serial Number: 3059347
Grade: 320
Model: Centennial
Estimated Production Year: 1912
Run Quantity: 1,000
Grade/Model Run: 7 of 12
Grade/Model Total Production: 24,100
Variant Est. Production: 20,100 (6S-MCENTENNIAL-7J-NP)
Size: 6s
Jewels: 7j
Movement Finish: Nickel
Finish Pattern: Stripe
Movement Setting: Pendant
Regulator: Plain
Hairspring: Flat
Adjusted: No
Railroad Grade: No
Movement Markings: Seth Thomas
Thomaston, Conn.
Safety Pinion
Case: Various
Run ID: 1103.320G7.6S151.M9.U55.P150.7J364
Database Version: v52.343
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
72.56
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
213.78
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
1.702%
Registry Population: 3 (0.30%)

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 336 · May 31, 2024

Serial Number 3059347 was reported as inaccurate.

Note: Finish Pattern: Wavy
Seth Thomas Grade 320 Pocket Watch