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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1070004/movement
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1070004/movement
Access Date: November 25, 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: | 1070004 | |
| Grade: | Series 7 | |
| Variation: | Stop Works | |
| Model: | 1908 | |
| Estimated Production Year: | 1910 | |
| Run Quantity: | 2,500 | |
| Grade/Model Run: | 10 of 20 | |
| Grade/Model Total Production: | 52,950 | |
| Variant Est. Production: | 7,500 (12S-M1908-17J-ONP-A3PT-STOP WORKS) | |
| Size: | 12s | |
| Jewels: | 17j | |
| Jewel Setting: | Burnished Jewels | |
| Movement Configuration: | Openface | |
| 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: | 171.G11.12S21.121908M21.O101.P138.17J107 | |
| Database Version: | v52.462 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 130.82 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 460.17 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 8.316% | |
| Registry Population: Scoped for This Run Only | 6 (0.24%) | |
| $ Estimated Value (12 Month Change): | 2.58% Analyzing 412 Sales | |
|
Research Note: Some Equipped with Stop-Works
|
||
Production Metrics Tree: Grade Series 7
Target Profile: 12S-M1908-17J-ONP-A3PT-STOP WORKS
| 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-ONP: 47,450 19.91% 12s, Grade Series 7, Model 1908, 17 Jewels, Openface/Pendant/Nickel |
Other: 5,500
Other Configs or Unclassified |
|||
| 12S-M1908-17J-ONP-A3PT: 47,450 19.91% | ||||
| 12S-M1908-17J-ONP-A3PT-STOP WORKS: 7,500 3.15% | Other: 39,950
Other Variants or Unclassified |
|||
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
|
There are 6 watches in the population registry for this run with 4 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.
Anonymous · August 9, 2023
Serial Number 1069630 was reported as accurate.
Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface
Anonymous · July 11, 2022
Serial Number 1068082 was reported as accurate.
Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface
Anonymous · April 5, 2022
Serial Number 1068720 was reported as accurate.
Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface
Anonymous · February 7, 2022
Serial Number 1068015 was reported as accurate.
Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface
Anonymous · November 8, 2021
Serial Number 1068946 was reported as accurate.
Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface
Anonymous · September 21, 2021
Serial Number 1069750 was reported as accurate.
Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface
billreid 143 · September 7, 2021
Serial Number 1070458 was reported as accurate.
Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface
Anonymous · December 18, 2020
Serial Number 1068906 was reported as accurate.
Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface
bwcrtime 189 · December 7, 2020
Serial Number 1070292 was reported as accurate.
Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface
Anonymous · October 5, 2020
Serial Number 1068580 was reported as accurate.
Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface
Anonymous · August 24, 2020
Serial Number 1070220 was reported as accurate.
Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface
Anonymous · January 13, 2020
Serial Number 1070073 was reported as accurate.
Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface
Snapper Supporter 146 · December 9, 2019
Serial Number 1069845 was reported as accurate.
Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface
okiejohn 387 · November 7, 2019
Serial Number 1070180 was reported as accurate.
Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface
Anonymous · September 14, 2019
Serial Number 1070489 was reported as inaccurate.
Note: marked 17 jewels
Curator Response: Thanks for the report. The database has been updated accordingly.
Changes since this report was submitted:
Grade changed from Series 8 to Series 7
Jewels changed from 21j to 17j
Adjusted # Positions changed from 5 to 3
Anonymous · July 30, 2019
Serial Number 1069015 was reported as accurate.
Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface
Plate changed from 3/4 to Bridge
Anonymous · May 22, 2019
Serial Number 1068244 was reported as inaccurate.
No further details were submitted with the report.
Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface
Plate changed from 3/4 to Bridge
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