Pocket Watch Database
https://pocketwatchdatabase.com/search/result/seth-thomas/205656/movement
Access Date: February 19, 2025
From the American Horology Archive:

Seth Thomas Watch Co.
Grade: 58
Private Label(s) in Run:
J.J. Woodard - Somersworth, N.H.
J.J. Woodward - Somersworth, N.H.
What is a Private Label?Manufacturer: | Seth Thomas | ![]() |
Manufacturer Location: | Thomaston, Connecticut | ![]() |
Movement Serial Number: | 205656 | ![]() |
Grade: | 58 | ![]() |
Model: | 5 | ![]() |
Estimated Production Year: | 1896 | ![]() |
Run Quantity: | 100 | ![]() |
Grade/Model Run: | 2 of 4 | ![]() |
Grade/Model Total Production: | 2,100 | ![]() |
Size: | 18s | ![]() |
Jewels: | 11j | ![]() |
Jewel Setting: | Burnished Jewels | ![]() |
Movement Configuration: | Openface | ![]() |
Movement Finish: | Gilt | ![]() |
Movement Setting: | Lever | ![]() |
Plate: | Full Plate | ![]() |
Balance Type: | Expansion | ![]() |
Regulator: | Micrometric | ![]() |
Standard Dial Type: | Single-Sunk | ![]() |
Adjusted: | No | ![]() |
Railroad Grade: | No | ![]() |
Movement Markings: | Seth Thomas Thomaston, Conn. Safety Pinion. |
|
Case: | Various | ![]() |
Run ID: | 336.58G2.18S265.185M30.O122.L318.11J55 | ![]() |
Data Research: |
1904 Seth Thomas Serial List |
![]() |
Database Version: | v52.612 | ![]() |
Advanced Metrics | ||
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 6.32 | ![]() |
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 18.22 | ![]() |
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.148% | ![]() |
Registry Population: Scoped for This Run Only | 2 (2.00%) | ![]() |
Production Metrics Tree: Grade 58
Target Profile: 18S-M5-11J-OGL-U
Seth Thomas Grade 58 (All Variations): 2,100 ETP |
18S: 2,100 100.00% 18s, Grade 58 |
18S-M5: 2,100 100.00% 18s, Grade 58, Model 5 |
18S-M5-11J: 2,100 100.00% 18s, Grade 58, Model 5, 11 Jewels |
18S-M5-11J-OGL: 2,100 100.00% 18s, Grade 58, Model 5, 11 Jewels, Openface/Lever/Gilt |
18S-M5-11J-OGL-U: 2,100 100.00% |
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.
|
Help Us Help Others By Improving the Database:
Does this information describe your movement accurately?
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.
WIZARDofWARLOCK Supporter 27 · February 1, 2025
Serial Number 205656 was reported as accurate.
mcraig Supporter 1 · December 17, 2015
Serial Number 205610 was reported as inaccurate.

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