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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/seth-thomas/487464
Access Date: May 10, 2025
From the American Horology Archive:
Seth Thomas Grade 205 Pocket Watch
Seth Thomas Watch Co.

Grade: 205

Manufacturer: Seth Thomas Question Mark
Manufacturer Location: Thomaston, Connecticut Question Mark
Movement Serial Number: 487464 Question Mark
Grade: 205 Question Mark
Model: 17 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: 6s Question Mark
Jewels: 15j Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Two-Tone Question Mark
Movement Setting: Lever Question Mark
Wind Mechanism: Pendant Question Mark
Plate: 3/4 Plate Question Mark
Regulator: Login to View for Free Question Mark
Hairspring: Login to View for Free Question Mark
Adjusted: No Question Mark
Railroad Grade: Login to View for Free Question Mark
Movement Markings: Login to View for Free
Case: Various Question Mark
Run ID: 683.205G5.6S117.617M36.H245.L595.15J189 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, Railroad Grade Designation, Movement Markings

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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.

Mlof73 Supporter 5 · August 24, 2020

Serial Number 487464 was reported as inaccurate.

Note: 15 jewels everything else looks good
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.
Changes since this report was submitted:
Grade changed from 35 to 205
Jewels changed from 7J to 15j

Mlof73 Supporter 5 · August 16, 2020

Serial Number 487464 was reported as inaccurate.

Note: According to the San Tomas records this serial
number is a model 17, grade 205 and 15 jewels
Curator Response: There are no surviving records listing grade designations for serial ranges. Please upload images of your watch for further evaluation.
Changes since this report was submitted:
Grade changed from 35 to 205
Jewels changed from 7J to 15j
Seth Thomas Grade 205 Pocket Watch