Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1075625
Access Date: May 04, 2024
Due to the lack of existing factory records, our E. Howard Watch Co. (Keystone) database has been reconstructed using observations of known watches.
As a result, the information may contain inaccuracies. Please let us know if you have details that can improve the database.
From the American Horology Archive:
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E. Howard Watch Co. (Keystone)
Grade: Series 6
| Manufacturer: | E. Howard Watch Co. (Keystone) |  |
| Manufacturer Location: | Waltham, Massachusetts | |
| Movement Serial Number: | 1075625 | |
| Grade: | Series 6 | |
| Model: | 1908 | |
| Estimated Production Year: | 1911 | |
| Run Quantity: | 1,000 | |
| Grade/Model Run: | 6 of 8 | |
| Grade/Model Total Production: | 5,700 | |
| Variant Est. Production: | 5,500 (12S-M1908-19J-ONP) | |
| Size: | 12s | |
| Jewels: | 19j | |
| Movement Configuration: | Openface | |
| Movement Finish: | Nickel | |
| Movement Setting: | Pendant | |
| Plate: | Bridge Plate | |
| Double Roller: | Yes | |
| Hairspring: | Breguet | |
| Adjusted: | Yes | |
| Adjusted # of Positions: | 5 | |
| Adjusted to Temperature: | Yes | |
| Railroad Grade: | No | |
| Case: | Various | |
| Run ID: | 171.G6.12S27.121908M27.O95.P129.19J23 | |
| Database Version: | v52.246 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 16.56 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 54.95 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 1.064% | |
| Registry Population: | 2 (0.20%) | |
Production Metrics Tree: Grade Series 6
Target Profile: 12S-M1908-19J-ONP-A5PT
| E. Howard Watch Co. (Keystone) Grade Series 6 (All Variations): 18,700 ETP | |||
| 12S: 18,700 100.00% 12s, Grade Series 6 |
|||
| 12S-M1908: 5,700 30.48% 12s, Grade Series 6, Model 1908 |
Other: 13,000
Other Models or Unclassified |
||
| 12S-M1908-19J: 5,700 30.48% 12s, Grade Series 6, Model 1908, 19 Jewels |
|||
| 12S-M1908-19J-ONP: 5,500 29.41% 12s, Grade Series 6, Model 1908, 19 Jewels, Openface/Pendant/Nickel |
Other: 200
Other Configs or Unclassified |
||
| 12S-M1908-19J-ONP-A5PT: 5,500 29.41% | |||
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.
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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.
Rcardkidz 3475 · January 21, 2022
Serial Number 1075609 was reported as accurate.
Anonymous · May 24, 2021
Serial Number 1075850 was reported as accurate.
Anonymous · December 27, 2020
Serial Number 1075018 was reported as accurate.
Anonymous · November 20, 2019
Serial Number 1075857 was reported as accurate.
Anonymous · July 10, 2019
Serial Number 1075856 was reported as accurate.
Anonymous · June 19, 2019
Serial Number 1075856 was reported as accurate.
Anonymous · February 18, 2019
Serial Number 1075022 was reported as accurate.
