Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1071306
Access Date: November 30, 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 7
| Manufacturer: | E. Howard Watch Co. (Keystone) |  |
| Manufacturer Location: | Waltham, Massachusetts | |
| Movement Serial Number: | 1071306 | |
| Grade: | Series 7 | |
| Model: | 1908 | |
| Estimated Production Year: | 1910 | |
| Run Quantity: | 3,000 | |
| Grade/Model Run: | 11 of 20 | |
| Grade/Model Total Production: | 52,950 | |
| Variant Est. Production: | 5,500 (12S-M1908-17J-HNP) | |
| Size: | 12s | |
| Jewels: | 17j | |
| Jewel Setting: | Burnished Jewels | |
| Movement Configuration: | Hunting | |
| Movement Finish: | Nickel | |
| Movement Setting: | Pendant | |
| Plate: | Bridge Plate | |
| Double Roller: | Yes | |
| Barrel: | Safety | |
| Hairspring: | Breguet | |
| Adjusted: | Yes | |
| Adjusted # of Positions: | 3 | |
| Adjusted to Temperature: | Yes | |
| Railroad Grade: | No | |
| Case: | Various | |
| Run ID: | 174.G12.12S24.121908M24.H54.P141.17J108 | |
| Database Version: | v52.470 | |
| 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 | 58.16 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 1.053% | |
| Registry Population: Scoped for This Run Only | 1 (0.03%) | |
| $ Estimated Value (12 Month Change): | 2.58% Analyzing 412 Sales | |
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Research Note: Some Equipped with Stop-Works
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Production Metrics Tree: Grade Series 7
Target Profile: 12S-M1908-17J-HNP-A3PT
| E. Howard Watch Co. (Keystone) Grade Series 7 (All Variations): 238,350 ETP | |||
| 12S: 235,350 98.74% 12s, Grade Series 7 |
Other: 3,000
Other Sizes or Unclassified |
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| 12S-M1908: 52,950 22.22% 12s, Grade Series 7, Model 1908 |
Other: 182,400
Other Models or Unclassified |
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| 12S-M1908-17J: 52,950 22.22% 12s, Grade Series 7, Model 1908, 17 Jewels |
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| 12S-M1908-17J-HNP: 5,500 2.31% 12s, Grade Series 7, Model 1908, 17 Jewels, Hunting/Pendant/Nickel |
Other: 47,450
Other Configs or Unclassified |
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| 12S-M1908-17J-HNP-A3PT: 5,500 2.31% | |||
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
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There is 1 watch in the population registry for this run.
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Help Us Help Others By Improving the Database:
Does this information describe your movement accurately?
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 · August 9, 2023
Serial Number 1072618 was reported as accurate.
Anonymous · July 17, 2021
Serial Number 1071904 was reported as accurate.
Anonymous · April 7, 2021
Serial Number 1073603 was reported as accurate.
