Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1084872
Access Date: November 08, 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:
-Series7-12s.jpg)
E. Howard Watch Co. (Keystone)
Grade: Series 7
| Manufacturer: | E. Howard Watch Co. (Keystone) |  |
| Manufacturer Location: | Waltham, Massachusetts | |
| Movement Serial Number: | 1084872 | |
| Grade: | Series 7 | |
| Model: | 1908 | |
| Estimated Production Year: | 1910 | |
| Run Quantity: | 2,500 | |
| Grade/Model Run: | 14 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 | |
| Regulator: | Reed | |
| Hairspring: | Breguet | |
| Standard Dial Type: | Single-Sunk | |
| Adjusted: | Yes | |
| Adjusted # of Positions: | 3 | |
| Adjusted to Temperature: | Yes | |
| Railroad Grade: | No | |
| Movement Markings: | E. Howard Watch Co. Boston U.S.A. Adjusted 17 Jewels Pat'd '08 |
|
| Case: | Various | |
| Run ID: | 185.G15.12S28.121908M28.H57.P147.17J111 | |
| Database Version: | v52.428 | |
| 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 | 5 (0.20%) | |
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 |
||
| 12S-M1908: 52,950 22.22% 12s, Grade Series 7, Model 1908 |
Other: 182,400
Other Models or Unclassified |
||
| 12S-M1908-17J: 52,950 22.22% 12s, Grade Series 7, Model 1908, 17 Jewels |
|||
| 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 |
||
| 12S-M1908-17J-HNP-A3PT: 5,500 2.31% | |||
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
|
There are 5 watches in the population registry for this run with 3 images.
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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.
cjbrem Supporter 884 · May 19, 2024
Serial Number 1083503 was reported as accurate.
TrueBlueKanagroo 1 · September 1, 2023
Serial Number 1083953 was reported as accurate.
Anonymous · October 2, 2022
Serial Number 1084214 was reported as inaccurate.
Anonymous · October 8, 2021
Serial Number 1082699 was reported as accurate.
Anonymous · May 15, 2021
Serial Number 1083570 was reported as accurate.
Anonymous · November 27, 2020
Serial Number 1083678 was reported as accurate.
Anonymous · November 10, 2020
Serial Number 1082910 was reported as accurate.
Fankhauser 4 · October 8, 2020
Serial Number 1084040 was reported as accurate.
Anonymous · January 23, 2020
Serial Number 1083861 was reported as accurate.
Anonymous · January 19, 2020
Serial Number 1083065 was reported as accurate.
