Pocket Watch Database
https://pocketwatchdatabase.com/search/result/seth-thomas/520936
Access Date: May 10, 2025
From the American Horology Archive:

Seth Thomas Watch Co.
Grade: Liberty
Manufacturer: | Seth Thomas |
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Manufacturer Location: | Thomaston, Connecticut |
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Movement Serial Number: | 520936 |
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Grade: | Liberty |
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Variation: | Login to View for Free |
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Model: | 7 |
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Estimated Production Year: | Login to View for Free |
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Run Quantity: | Login to View for Free |
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Grade/Model Run: | Login to View for Free |
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Grade/Model Total Production: | Login to View for Free |
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Variant Est. Production: | Login to View for Free |
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Size: | 18s |
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Jewels: | 7j |
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Movement Configuration: | Hunting |
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Movement Finish: | Nickel |
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Movement Setting: | Lever |
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Wind Mechanism: | Pendant |
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Plate: | 3/4 Plate |
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Regulator: | Login to View for Free |
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Hairspring: | Login to View for Free |
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Adjusted: | No |
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Railroad Grade: | Login to View for Free |
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Movement Markings: | Login to View for Free | |
Case: | Various | ![]() |
Run ID: | 728.G8.18S606.187M6.H277.L638.7J151 | ![]() |
Data Research: |
1904 Seth Thomas Serial List |
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Database Version: | v52.645 | ![]() |
Advanced Metrics | ||
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Registry Population: Scoped for This Run Only | 6 (0.30%) | ![]() |
Research Note: #520505: "Seth Thomas - Eagle" Dial. #521396: Blue Unsigned Dial.
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10 Additional Member-Only Data Points Available
The following information is unlocked with a free account:
Variation, Estimated Production Year, Run Quantity, Grade/Model Run, Grade/Model Total Production, Variant Est. Production, Regulator Type, Hairspring, Railroad Grade Designation, Movement Markings
Population Registry for This Run
Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
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There are 6 watches in the population registry for this run with 4 images.
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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.
SethThomasFan Top Contributor Seth Thomas Expert Supporter 451 · July 30, 2024
Serial Number 520555 was reported as accurate.
SethThomasFan Top Contributor Seth Thomas Expert Supporter 451 · June 10, 2024
Serial Number 520936 was reported as accurate.
SethThomasFan Top Contributor Seth Thomas Expert Supporter 451 · November 6, 2023
Serial Number 521147 was reported as accurate.
lovinwatches 8 · October 29, 2018
Serial Number 521396 was reported as accurate.

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This WatchFrom This Run
uploaded by SethThomasFan
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From This Run
uploaded by SethThomasFan
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From This Run
uploaded by SethThomasFan
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From This Run
uploaded by lovinwatches
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uploaded by SethThomasFan
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uploaded by SethThomasFan
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uploaded by pocketwatch101
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uploaded by SethThomasFan
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Image Source/Credit: eBay Auction
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Image Source/Credit: eBay Auction