Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1379843
Access Date: November 24, 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: | 1379843 | |
| Grade: | Series 7 | |
| Model: | 1912 | |
| Estimated Production Year: | 1922 | |
| Run Quantity: | 6,000 | |
| Grade/Model Run: | 19 of 21 | |
| Grade/Model Total Production: | 182,400 | |
| Size: | 12s | |
| Jewels: | 17j | |
| Jewel Setting: | Burnished Jewels | |
| Movement Configuration: | Openface | |
| Movement Finish: | Nickel | |
| Movement Setting: | Pendant | |
| Plate: | Bridge Plate | |
| Double Roller: | Yes | |
| Regulator: | Micrometric | |
| 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. 17 Jewels [Empty Cirlce in Arrow] Adjustment Temperature 3 Pos. Pat'd '12 |
|
| Case: | Various | |
| Run ID: | 322.G40.12S84.121912M39.O234.P222.17J147 | |
| Database Version: | v52.457 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 548.86 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 1,931.04 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 34.889% | |
| Registry Population: Scoped for This Run Only | 9 (0.15%) | |
| $ Estimated Value (12 Month Change): | 4.03% Analyzing 472 Sales | |
Production Metrics Tree: Grade Series 7
Target Profile: 12S-M1912-17J-ONP-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-M1912: 182,400 76.53% 12s, Grade Series 7, Model 1912 |
Other: 52,950
Other Models or Unclassified |
|
| 12S-M1912-17J: 182,400 76.53% 12s, Grade Series 7, Model 1912, 17 Jewels |
||
| 12S-M1912-17J-ONP: 182,400 76.53% 12s, Grade Series 7, Model 1912, 17 Jewels, Openface/Pendant/Nickel |
||
| 12S-M1912-17J-ONP-A3PT: 182,400 76.53% | ||
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
|
There are 9 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.
Anonymous · February 6, 2024
Serial Number 1382559 was reported as accurate.
Anonymous · November 3, 2022
Serial Number 1384436 was reported as accurate.
Anonymous · May 29, 2021
Serial Number 1383021 was reported as accurate.
Anonymous · May 13, 2021
Serial Number 1380146 was reported as accurate.
Anonymous · April 3, 2021
Serial Number 1384716 was reported as accurate.
Anonymous · March 8, 2021
Serial Number 1381267 was reported as accurate.
Anonymous · January 24, 2021
Serial Number 1381062 was reported as accurate.
Anonymous · May 1, 2020
Serial Number 1384363 was reported as accurate.
okiejohn 387 · April 6, 2020
Serial Number 1382372 was reported as accurate.
Anonymous · January 20, 2020
Serial Number 1380411 was reported as accurate.
Anonymous · November 28, 2019
Serial Number 1380556 was reported as accurate.
Anonymous · November 1, 2019
Serial Number 1383021 was reported as accurate.
Anonymous · October 17, 2019
Serial Number 1384836 was reported as accurate.
Anonymous · September 7, 2019
Serial Number 1381199 was reported as accurate.
Anonymous · June 18, 2019
Serial Number 1381575 was reported as accurate.
Rcardkidz 4072 · June 1, 2019
Serial Number 1381821 was reported as accurate.
Anonymous · May 15, 2019
Serial Number 1381267 was reported as accurate.
Anonymous · April 28, 2019
Serial Number 1383021 was reported as accurate.
Anonymous · April 20, 2019
Serial Number 1381110 was reported as accurate.
cmdraven 4083 · March 25, 2019
Serial Number 1383111 was reported as accurate.
Anonymous · March 24, 2019
Serial Number 1383021 was reported as accurate.
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