Pocket Watch Database
Access Date: December 06, 2023
From the American Horology Archive:
Seth Thomas Watch Co.
|Manufacturer Location:||Thomaston, Connecticut|
|Movement Serial Number:||20640|
|Estimated Production Year:||1887|
|Grade/Model Run:||3 of 6|
|Grade/Model Total Production:||2,400|
|Standard Dial Type:||Double-Sunk|
|Movement Markings:||Seth Thomas
|PWDB Absolute Rarity Index: |
Scoped for Grade/Size/Model/Configuration
|PWDB Relative Rarity Index: |
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
|Share of Production: |
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
|Registry Population:||4 (0.80%)|
Production Metrics Tree: Grade 101
Target Profile: 18S-M3-15J-OGL-A
|Seth Thomas Grade 101 (All Variations): 3,100 ETP|
|18S: 3,100 100.00%
18s, Grade 101
|18S-M3: 2,400 77.42%
18s, Grade 101, Model 3
Other Models or Unclassified
|18S-M3-15J: 2,400 77.42%
18s, Grade 101, Model 3, 15 Jewels
|18S-M3-15J-OGL: 2,400 77.42%
18s, Grade 101, Model 3, 15 Jewels, Openface/Lever/Gilt
|18S-M3-15J-OGL-A: 2,400 77.42%|
Population Registry for This Run
|Image||Serial Number||Run Position||Primary Identification Method||Discovery Date|
There are 4 watches in the population registry for this run with 2 images.
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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 246 · January 28, 2023
Serial Number 20640 was reported as accurate.
Anonymous · December 8, 2021
Serial Number 20902 was reported as inaccurate.