junior0664 · June 14, 2025
Serial Number 8364 was reported as accurate.
Information Provided by PocketWatchDatabase.com:
https://new.pocketwatchdatabase.com/search/result/seth-thomas/8633
https://new.pocketwatchdatabase.com/search/result/seth-thomas/8633
Access Date: June 3, 2026
From the American Horology Archive:
Seth Thomas Watch Co.
Grade: 44
We noticed that you entered a relatively short serial number.
"8633" could possibly indicate the grade of the watch and not the serial number of your movement. Serial numbers are usually more than a few digits.
"8633" could possibly indicate the grade of the watch and not the serial number of your movement. Serial numbers are usually more than a few digits.
| Manufacturer: | Seth Thomas | ? |
| Manufacturer Location: | Thomaston, Connecticut | ? |
| Movement Serial Number: | 8633 | ? |
| Grade: | 44 | ? |
| Variation: | Type 3 | ? |
| Model: | 1 | ? |
| Estimated Production Year: | 1886 | ? |
| Run Quantity: | 2,200 | ? |
| Grade/Model Run: | 5 of 5 | ? |
| Grade/Model Total Production: | 8,500 | ? |
| Variant Est. Production: | 7,000 (18S-M1-11J-OGL-U-TYPE 3) | ? |
| Size: | 18s | ? |
| Jewels: | 11j | ? |
| Jewel Setting: | Burnished Jewels | ? |
| Movement Configuration: | Openface | ? |
| Movement Finish: | Gilt | ? |
| Movement Setting: | Lever | ? |
| Plate: | 3/4 Plate | ? |
| Balance Type: | Expansion | ? |
| Regulator: | Plain | ? |
| Hairspring: | Flat | ? |
| Adjusted: | No | ? |
| Railroad Grade: | No | ? |
| Movement Markings: | Seth Thomas Thomaston, Conn. Pat'd. Jan.13. & Sept.1. 85. | ? |
| Case: | Various | ? |
| Run ID: | 8.44G5.18S8.181M8.O8.L8.11J7 | ? |
| Data Research: | 1904 Seth Thomas Serial List | ? |
| Database Version: | v52.978 | ? |
| Advanced Metrics | ||
| Members Only Data. Login or create a free account to unlock. | ||
| Registry Population: Scoped for This Run Only: | 13 (0.59%) | ? |
Continue Your Research
Population Registry for This Run
Total Known Population In Run 13/2,200
Percentage of Total Run 0.59%
|
There are 13 watches in the population registry for this run with 9 images.
Create a FREE account or login to view the population registry and add your watch to the registry. |
Improve the Database
Why Might This Information Be Incorrect?
Does this information describe your movement accurately?
Verification reports help confirm surviving examples and flag data that needs further research.
Verification Reports for this Run
The following reports have been submitted by members in reference to this production run. These reports help verify data and track inaccuracies that require further research.
Anonymous · April 4, 2021
Serial Number 8868 was reported as accurate.
Anonymous · April 4, 2021
Serial Number 8868 was reported as accurate.
tturner770 · September 12, 2020
Serial Number 8633 was reported as accurate.
Anonymous · July 8, 2020
Serial Number 8744 was reported as accurate.
Anonymous · January 14, 2020
Serial Number 8103 was reported as accurate.
Anonymous · November 20, 2019
Serial Number 8810 was reported as inaccurate.
No further details were submitted with the report.
Anonymous · August 18, 2019
Serial Number 8810 was reported as inaccurate.
No further details were submitted with the report.
SamMihelich · April 10, 2019
Serial Number 7220 was reported as accurate.
SamMihelich · April 10, 2019
Serial Number 7220 was reported as accurate.
SamMihelich · March 28, 2019
Serial Number 7220 was reported as accurate.
Anonymous · January 16, 2019
Serial Number 8810 was reported as inaccurate.
No further details were submitted with the report.
Anonymous · September 11, 2018
Serial Number 8952 was reported as accurate.
Anonymous · December 14, 2017
Serial Number 9055 was reported as accurate.
Anonymous · September 12, 2017
Serial Number 9081 was reported as accurate.
Anonymous · November 16, 2016
Serial Number 9192 was reported as accurate.
Anonymous · July 12, 2016
Serial Number 9166 was reported as accurate.
Anonymous · June 12, 2016
Serial Number 8975 was reported as accurate.
Anonymous · May 1, 2016
Serial Number 7629 was reported as inaccurate.
No further details were submitted with the report.
Anonymous · April 14, 2016
Serial Number 8810 was reported as accurate.
Anonymous · March 13, 2016
Serial Number 8810 was reported as inaccurate.
No further details were submitted with the report.
Anonymous · July 21, 2015
Serial Number 8810 was reported as inaccurate.
No further details were submitted with the report.