Pocket Watch Database
Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/seth-thomas/186400/movement
https://pocketwatchdatabase.com/search/result/seth-thomas/186400/movement
Access Date: March 02, 2025
From the American Horology Archive:

Seth Thomas Watch Co.
Grade: 35
Manufacturer: | Seth Thomas | ![]() |
Manufacturer Location: | Thomaston, Connecticut | ![]() |
Movement Serial Number: | 186400 | ![]() |
Grade: | 35 | ![]() |
Model: | 16 | ![]() |
Estimated Production Year: | 1901 | ![]() |
Run Quantity: | 1,300 | ![]() |
Grade/Model Run: | 11 of 21 | ![]() |
Grade/Model Total Production: | 33,200 | ![]() |
Variant Est. Production: | 20,500 (6S-M16-7J-HTL) | ![]() |
Size: | 6s | ![]() |
Jewels: | 7j | ![]() |
Movement Configuration: | Hunting | ![]() |
Movement Finish: | Two-Tone | ![]() |
Finish Pattern: | Outer Ring | ![]() |
Movement Setting: | Lever | ![]() |
Plate: | 3/4 Plate | ![]() |
Regulator: | Plain | ![]() |
Hairspring: | Flat | ![]() |
Adjusted: | No | ![]() |
Railroad Grade: | No | ![]() |
Movement Markings: | Seth Thomas Thomaston, Conn. Safety Pinion. |
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Case: | Various | ![]() |
Run ID: | 296.35G11.6S59.616M19.H187.L278.7J89 | ![]() |
Data Research: |
1904 Seth Thomas Serial List |
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Database Version: | v52.617 | ![]() |
Advanced Metrics | ||
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 99.95 | ![]() |
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 294.67 | ![]() |
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 2.343% | ![]() |
Registry Population: Scoped for This Run Only | 5 (0.38%) | ![]() |
$ Estimated Value (12 Month Change): | 10.98% Analyzing 223 Sales | ![]() |
Production Metrics Tree: Grade 35
Target Profile: 6S-M16-7J-HTL-U
Seth Thomas Grade 35 (All Variations): 133,000 ETP | ||
6S: 133,000 100.00% 6s, Grade 35 |
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6S-M16: 33,200 24.96% 6s, Grade 35, Model 16 |
Other: 99,800
Other Models or Unclassified |
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6S-M16-7J: 33,200 24.96% 6s, Grade 35, Model 16, 7 Jewels |
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6S-M16-7J-HTL: 20,500 15.41% 6s, Grade 35, Model 16, 7 Jewels, Hunting/Lever/Two-Tone |
Other: 12,700
Other Configs or Unclassified |
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6S-M16-7J-HTL-U: 20,500 15.41% |
Population Registry for This Run
Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
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There are 5 watches in the population registry for this run with 3 images.
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Verification Reports for this Run
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
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From This Run
uploaded by stclox
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From This Run
Image Source/Credit: eBay Auction
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From This Run
Image Source/Credit: eBay Auction
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Image Source/Credit: eBay Auction
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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
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Image Source/Credit: eBay Auction
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Image Source/Credit: eBay Auction
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Image Source/Credit: eBay Auction