Pocket Watch Database

Movement Specs Production Pop. Registry 1 Value Parts For Sale Save to My Collection Print Page Find a Mainspring Find a Balance Staff
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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/seth-thomas/3055279
Access Date: April 14, 2025
From the American Horology Archive:
Seth Thomas Grade 320 Pocket Watch
Seth Thomas Watch Co.

Grade: 320

Manufacturer: Seth Thomas Question Mark
Manufacturer Location: Thomaston, Connecticut Question Mark
Movement Serial Number: 3055279 Question Mark
Grade: 320 Question Mark
Model: Centennial Question Mark
Estimated Production Year: 1912 Question Mark
Run Quantity: 300 Question Mark
Grade/Model Run: 4 of 13 Question Mark
Grade/Model Total Production: 27,100 Question Mark
Variant Est. Production: 23,100 (6S-MCENTENNIAL-7J-NP) Question Mark
Size: 6s Question Mark
Jewels: 7j Question Mark
Movement Finish: Nickel Question Mark
Finish Pattern: Wavy 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: Seth Thomas
Thomaston, Conn.
Case: Various Question Mark
Run ID: 1134.320G4.6S155.M6.U52.P150.7J377 Question Mark
Database Version: v52.636 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 82.12 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 240.44 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 1.912% Question Mark
Registry Population:
Scoped for This Run Only		1 (0.33%) Question Mark
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Production Metrics Tree: Grade 320

Target Profile: 6S-MCENTENNIAL-7J-NP-U

Seth Thomas Grade 320 (All Variations): 27,100 ETP
6S: 27,100 100.00%
6s, Grade 320
6S-MCENTENNIAL: 27,100 100.00%
6s, Grade 320, Model Centennial
6S-MCENTENNIAL-7J: 27,100 100.00%
6s, Grade 320, Model Centennial, 7 Jewels
6S-MCENTENNIAL-7J-NP: 23,100 85.24%
6s, Grade 320, Model Centennial, 7 Jewels, /Pendant/Nickel 		Other: 4,000
Other Configs or Unclassified
6S-MCENTENNIAL-7J-NP-U: 23,100 85.24%

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There is 1 watch in the population registry for this run with 1 image.
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Seth Thomas Grade 320 Pocket Watch