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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/seth-thomas/277399
Access Date: May 11, 2025
From the American Horology Archive:
Seth Thomas Grade 159 Pocket Watch
Seth Thomas Watch Co.

Grade: 159

Manufacturer: Seth Thomas Question Mark
Manufacturer Location: Thomaston, Connecticut Question Mark
Movement Serial Number: 277399 Question Mark
Grade: 159 Question Mark
Model: 5 Question Mark
Estimated Production Year: Login to View for Free Question Mark
Run Quantity: Login to View for Free Question Mark
Grade/Model Run: Login to View for Free Question Mark
Grade/Model Total Production: Login to View for Free Question Mark
Size: 18s Question Mark
Jewels: 15j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Wind Mechanism: Pendant Question Mark
Plate: Full Plate Question Mark
Regulator: Login to View for Free Question Mark
Hairspring: Login to View for Free Question Mark
Standard Dial Type: Login to View for Free Question Mark
Adjusted: No Question Mark
Railroad Grade: Login to View for Free Question Mark
Case: Various Question Mark
Run ID: 546.159G21.18S475.185M240.O332.P26.15J148 Question Mark
Data Research: 1904 Seth Thomas Serial List
 Question Mark
Database Version: v52.645 Question Mark
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Registry Population:
Scoped for This Run Only		1 (0.50%) Question Mark
8 Additional Member-Only Data Points Available

The following information is unlocked with a free account:

Estimated Production Year, Run Quantity, Grade/Model Run, Grade/Model Total Production, Regulator Type, Hairspring, Standard Dial Type, Railroad Grade Designation

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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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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.

Anonymous · March 7, 2017

Serial Number 277399 was reported as inaccurate.

Note: Additional information: Movement setting: Pendant.
15 jewels, screw-set. Full plate. Dial: Double
Sunk. Movement markings: "Seth Thomas, Thomaston,
Conn.", "15 Jewels", "Safety Pinion"
Changes since this report was submitted:
Grade changed from Unknown to 159
Movement Setting changed from Lever or Pendant to Pendant

Anonymous · March 6, 2017

Serial Number 277399 was reported as inaccurate.

Note: 277399 does not have the tripple flower finish
pattern, but stripes (same as 289723). The finish
is nickel, not two-tone.
Changes since this report was submitted:
Movement Finish changed from Two-Tone to Nickel
Movement Setting changed from Lever to Pendant
Seth Thomas Grade 159 Pocket Watch