SethThomasFan · December 14, 2022
Serial Number 1257 was reported as accurate.
Information Provided by PocketWatchDatabase.com:
https://new.pocketwatchdatabase.com/search/result/seth-thomas/1257
https://new.pocketwatchdatabase.com/search/result/seth-thomas/1257
Access Date: June 3, 2026
From the American Horology Archive:
Seth Thomas Watch Co.
Grade: 55
We noticed that you entered a relatively short serial number.
"1257" 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.
"1257" 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: | 1257 | ? |
| Grade: | 55 | ? |
| Variation: | Type 2 | ? |
| Model: | 1 | ? |
| Estimated Production Year: | 1885 | ? |
| Run Quantity: | 500 | ? |
| Grade/Model Run: | 1 of 3 | ? |
| Grade/Model Total Production: | 2,150 | ? |
| Variant Est. Production: | 500 (18S-M1-11J-OGL-U-TYPE 2) | ? |
| 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: | Reed | ? |
| Hairspring: | Flat | ? |
| Standard Dial Type: | Single-Sunk | ? |
| Adjusted: | No | ? |
| Railroad Grade: | No | ? |
| Movement Markings: | Seth Thomas Thomaston, Conn. Patented Jan.13, & Sept.1. 85. | ? |
| Case: | Various | ? |
| Run ID: | 3.55G1.18S3.181M3.O3.L3.11J3 | ? |
| 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: | 3 (0.60%) | ? |
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Research Note: #1266: Dial Marked "Fattorini & Sons - Bradford."
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Population Registry for This Run
Total Known Population In Run 3/500
Percentage of Total Run 0.60%
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There are 3 watches in the population registry for this run with 3 images.
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