Pocket Watch Database
https://pocketwatchdatabase.com/search/result/seth-thomas/185580
Access Date: May 12, 2025
From the American Horology Archive:

Seth Thomas Watch Co.
Grade: 205
Manufacturer: | Seth Thomas |
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Manufacturer Location: | Thomaston, Connecticut |
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Movement Serial Number: | 185580 |
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Grade: | 205 |
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Model: | 16 |
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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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Size: | 6s |
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Jewels: | 15j |
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Movement Configuration: | Hunting |
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Movement Finish: | Two-Tone |
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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: | 295.205G1.6S58.616M18.H186.L277.15J108 | ![]() |
Data Research: |
1904 Seth Thomas Serial List |
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Database Version: | v52.645 | ![]() |
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Registry Population: Scoped for This Run Only | 3 (3.00%) | ![]() |
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, 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 3 watches 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.
SethThomasFan Top Contributor Seth Thomas Expert Supporter 451 · March 17, 2023
Serial Number 185580 was reported as inaccurate.
Grade: 205
Estimated Production Year: May be 1895. The first
examples of Seth Thomas jewel count markings are
from this time frame. They showed the jewel
number followed by the letter "J". Later markings
showed the jewel number followed by the word
"Jewels" Examples are Ser#'s 87565; 87567; 204273;
204924; 205040; 205390; 207258.
MIKEKTYLER Supporter 128 · November 24, 2022
Serial Number 185580 was reported as accurate.