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:

Adonis U.S.A.

What is a Private Label?
Manufacturer: Seth Thomas Question Mark
Manufacturer Location: Thomaston, Connecticut Question Mark
Movement Serial Number: 3058075 Question Mark
Grade: 320 Question Mark
Variation: Adonis Question Mark
Model: Centennial Question Mark
Estimated Production Year: 1912 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 6 of 12 Question Mark
Grade/Model Total Production: 24,100 Question Mark
Variant Est. Production: 3,000 (6S-MCENTENNIAL-7J-NP-U-ADONIS) 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: Adonis U.S.A.
Case: Various Question Mark
Run ID: 1108.320G6.6S150.M8.U54.P149.7J363 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
2 (0.20%) 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 399 · February 17, 2023

Serial Number 3058075 was reported as inaccurate.

Note: Movement Markings: ADONIS U.S.A.
Curator Response: Thanks for the report. The database has been updated accordingly.
Changes since this report was submitted:
Grade changed from 322 to 320
Jewels changed from 15j to 7J
Seth Thomas Grade 320 Pocket Watch