Pocket Watch Database
Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1055778
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1055778
Access Date: December 22, 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: | 1055778 | |
| Grade: | Series 6 | |
| Model: | 1908 | |
| Estimated Production Year: | 1909 | |
| Run Quantity: | 200 | |
| Grade/Model Run: | 2 of 9 | |
| Grade/Model Total Production: | 6,700 | |
| Variant Est. Production: | 200 (12S-M1908-19J-HNP) | |
| Size: | 12s | |
| Jewels: | 19j | |
| Jewel Setting: | Burnished Jewels | |
| Movement Configuration: | Hunting | |
| Movement Finish: | Nickel | |
| Movement Setting: | Pendant | |
| Plate: | Bridge Plate | |
| Double Roller: | Yes | |
| Barrel: | Safety | |
| Regulator: | Reed | |
| Hairspring: | Breguet | |
| Standard Dial Type: | Single-Sunk | |
| Adjusted: | Yes | |
| Adjusted # of Positions: | 5 | |
| Adjusted to Temperature: | Yes | |
| Railroad Grade: | No | |
| Movement Markings: | E. Howard Watch Co. Boston U.S.A. Adjusted 19 Jewels Pat'd '08 |
|
| Case: | Various | |
| Run ID: | 153.G2.12S9.121908M9.H50.P124.19J15 | |
| Database Version: | v52.517 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 0.60 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 2.01 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.038% | |
| Registry Population: Scoped for This Run Only | 2 (1.00%) | |
Production Metrics Tree: Grade Series 6
Target Profile: 12S-M1908-19J-HNP-A5PT
| E. Howard Watch Co. (Keystone) Grade Series 6 (All Variations): 19,700 ETP | ||
| 12S: 19,700 100.00% 12s, Grade Series 6 |
||
| 12S-M1908: 6,700 34.01% 12s, Grade Series 6, Model 1908 |
Other: 13,000
Other Models or Unclassified |
|
| 12S-M1908-19J: 6,700 34.01% 12s, Grade Series 6, Model 1908, 19 Jewels |
||
| 12S-M1908-19J-HNP: 200 1.02% 12s, Grade Series 6, Model 1908, 19 Jewels, Hunting/Pendant/Nickel |
Other: 6,500
Other Configs or Unclassified |
|
| 12S-M1908-19J-HNP-A5PT: 200 1.02% | ||
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 with 1 image.
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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.
Anonymous · January 9, 2020
Serial Number 1055706 was reported as accurate.
collectsell 1 · September 5, 2019
Serial Number 1055778 was reported as inaccurate.
Note: movement marked 19J
Curator Response: Thanks for the report. This would classify the watch as a Series 6. The database has been updated accordingly.
Changes since this report was submitted:
Grade changed from Series 7 to Series 6
Jewels changed from 17j to 19j
Movement Configuration changed from Openface to Hunting
Adjusted # Positions changed from 3 to 5
