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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/seth-thomas/204273
Access Date: May 14, 2025
From the American Horology Archive:
Seth Thomas Grade 159 Pocket Watch
Seth Thomas Watch Co.

Grade: 159

Private Label(s) in Run:

Special Motor Service

What is a Private Label?
Manufacturer: Seth Thomas Question Mark
Manufacturer Location: Thomaston, Connecticut Question Mark
Movement Serial Number: 204273 Question Mark
Grade: 159 Question Mark
Model: 5 Question Mark
Estimated Production Year: 1894 Question Mark
Run Quantity: 200 Question Mark
Grade/Model Run: 2 of 51 Question Mark
Grade/Model Total Production: 10,700 Question Mark
Variant Est. Production: 4,550 (18S-M5-15J-ONL) Question Mark
Size: 18s Question Mark
Jewels: 15j Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever Question Mark
Wind Mechanism: Pendant Question Mark
Plate: Full Plate Question Mark
Regulator: Micrometric Question Mark
Hairspring: Breguet Question Mark
Standard Dial Type: Double-Pressed Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Movement Markings: Seth Thomas
Thomaston, Conn.
Safety Pinion.
15 J.
Case: Various Question Mark
Run ID: 321.159G2.18S250.185M15.O107.L303.15J118 Question Mark
Data Research: 1904 Seth Thomas Serial List
 Question Mark
Database Version: v52.646 Question Mark
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Registry Population:
Scoped for This Run Only		1 (0.50%) Question Mark
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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 159 Pocket Watch