Pocket Watch Database
https://pocketwatchdatabase.com/search/result/seth-thomas/727681/link
Access Date: April 13, 2025
From the American Horology Archive:

Seth Thomas Watch Co.
Grade: 107
Manufacturer: | Seth Thomas | ![]() |
Manufacturer Location: | Thomaston, Connecticut | ![]() |
Movement Serial Number: | 727681 | ![]() |
Grade: | 107 | ![]() |
Model: | 9 | ![]() |
Estimated Production Year: | 1903 | ![]() |
Run Quantity: | 200 | ![]() |
Grade/Model Run: | 6 of 7 | ![]() |
Grade/Model Total Production: | 1,500 | ![]() |
Size: | 18s | ![]() |
Jewels: | 11j | ![]() |
Jewel Setting: | Screw-Set | ![]() |
Movement Configuration: | Hunting | ![]() |
Movement Finish: | Two-Tone | ![]() |
Finish Pattern: | Inlaid Circle | ![]() |
Movement Setting: | Lever | ![]() |
Plate: | 3/4 Plate | ![]() |
Regulator: | Plain | ![]() |
Hairspring: | Breguet | ![]() |
Adjusted: | No | ![]() |
Railroad Grade: | No | ![]() |
Movement Markings: | [Private Label] Safety Pinion |
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Case: | Various | ![]() |
Run ID: | 890.107G17.18S768.189M24.H352.L793.11J104 | ![]() |
Data Research: |
1904 Seth Thomas Serial List |
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Database Version: | v52.636 | ![]() |
Advanced Metrics | ||
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 4.54 | ![]() |
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 12.89 | ![]() |
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.106% | ![]() |
Registry Population: Scoped for This Run Only | 2 (1.00%) | ![]() |
Production Metrics Tree: Grade 107
Target Profile: 18S-M9-11J-HTL-U
Seth Thomas Grade 107 (All Variations): 8,100 ETP | |
18S: 8,100 100.00% 18s, Grade 107 |
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18S-M9: 1,500 18.52% 18s, Grade 107, Model 9 |
Other: 6,600
Other Models or Unclassified |
18S-M9-11J: 1,500 18.52% 18s, Grade 107, Model 9, 11 Jewels |
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18S-M9-11J-HTL: 1,500 18.52% 18s, Grade 107, Model 9, 11 Jewels, Hunting/Lever/Two-Tone |
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18S-M9-11J-HTL-U: 1,500 18.52% |
Population Registry for This Run
Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
---|---|---|---|---|---|
There are 2 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 447 · September 11, 2023
Serial Number 727681 was reported as accurate.
SethThomasFan Top Contributor Seth Thomas Expert Supporter 447 · September 10, 2023
Serial Number 727681 was reported as inaccurate.
Jewels: 11j
Movement Markings: Montgomery Ward & Co.
Chicago
"20th Century"
Safety Pinion
hammyhamilton 48 · January 1, 2020
Serial Number 727681 was reported as accurate.

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This WatchFrom This Run
uploaded by SethThomasFan
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Image Source/Credit: eBay Auction
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Image Source/Credit: eBay Auction
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uploaded by stclox
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uploaded by stclox
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uploaded by SethThomasFan
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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