Pocket Watch Database
Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/seth-thomas/28853/movement
https://pocketwatchdatabase.com/search/result/seth-thomas/28853/movement
Access Date: December 29, 2024
From the American Horology Archive:
Seth Thomas Watch Co.
Grade: 56
| Manufacturer: | Seth Thomas |  |
| Manufacturer Location: | Thomaston, Connecticut | |
| Movement Serial Number: | 28853 | |
| Grade: | 56 | |
| Model: | 2 | |
| Estimated Production Year: | 1888 | |
| Run Quantity: | 200 | |
| Grade/Model Run: | 1 of 13 | |
| Grade/Model Total Production: | 3,900 | |
| Variant Est. Production: | 3,700 (18S-M2-11J) | |
| Size: | 18s | |
| Jewels: | 11j | |
| Jewel Setting: | Burnished Jewels | |
| Movement Configuration: | Hunting | |
| 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 | |
| U.S. Patents: | 374359 | |
| Movement Markings: | Seth Thomas Thomaston, Conn. Safety Pinion Pat'd Dec.6.'87. |
|
| Case: | Various | |
| Run ID: | 43.56G1.18S43.182M8.H8.L43.11J14 | |
| Data Research: |
1904 Seth Thomas Serial List |
|
| Database Version: | v52.528 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 11.74 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 34.22 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.275% | |
| Registry Population: Scoped for This Run Only | 3 (1.50%) | |
Production Metrics Tree: Grade 56
Target Profile: 18S-M2-11J-HGL-U
| Seth Thomas Grade 56 (All Variations): 3,900 ETP | |
| 18S: 3,900 100.00% 18s, Grade 56 |
|
| 18S-M2: 3,900 100.00% 18s, Grade 56, Model 2 |
|
| 18S-M2-11J: 3,700 94.87% 18s, Grade 56, Model 2, 11 Jewels |
Other: 200
Other Jewels or Unclassified |
| 18S-M2-11J-HGL: 3,700 94.87% 18s, Grade 56, Model 2, 11 Jewels, Hunting/Lever/Gilt |
|
| 18S-M2-11J-HGL-U: 3,700 94.87% | |
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
|
There are 3 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 415 · September 11, 2023
Serial Number 28870 was reported as accurate.
SethThomasFan Top Contributor Seth Thomas Expert Supporter 415 · September 11, 2023
Serial Number 28853 was reported as accurate.
SethThomasFan Top Contributor Seth Thomas Expert Supporter 415 · September 10, 2023
Serial Number 28853 was reported as inaccurate.
Note: Grade: 56
Jewels: 11j
Regulator: Micrometer
Jewels: 11j
Regulator: Micrometer
Curator Response: Thanks for the report. The database has been updated accordingly.
Changes since this report was submitted:
Grade changed from 34 to 56
Jewels changed from 7J to 11j
SethThomasFan Top Contributor Seth Thomas Expert Supporter 415 · September 10, 2023
Serial Number 28870 was reported as inaccurate.
Note: Grade: 56
Jewels: 11j
Regulator: Micrometer
Jewels: 11j
Regulator: Micrometer
Curator Response: Thanks for the report. The database has been updated accordingly.
Changes since this report was submitted:
Grade changed from 34 to 56
Jewels changed from 7J to 11j
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