Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1373052
Access Date: November 10, 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: | 1373052 | |
| Grade: | Series 7 | |
| Model: | 1912 | |
| Estimated Production Year: | 1920 | |
| Run Quantity: | 11,000 | |
| Grade/Model Run: | 17 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: | 318.G38.12S82.121912M37.O230.P220.17J145 | |
| Database Version: | v52.431 | |
| 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 | 15 (0.14%) | |
| $ Estimated Value (12 Month Change): | 3.36% Analyzing 471 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 15 watches in the population registry for this run with 7 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 · July 22, 2024
Serial Number 1373789 was reported as accurate.
cjbrem Supporter 891 · July 3, 2024
Serial Number 1364397 was reported as accurate.
pmtime Supporter 612 · April 30, 2024
Serial Number 1368294 was reported as accurate.
phantacc Supporter 66 · July 31, 2023
Serial Number 1363323 was reported as accurate.
Fifty50 Supporter 350 · May 21, 2023
Serial Number 1369052 was reported as accurate.
Anonymous · November 15, 2022
Serial Number 1368831 was reported as accurate.
Anonymous · June 21, 2022
Serial Number 1365429 was reported as accurate.
Anonymous · December 25, 2021
Serial Number 1372227 was reported as accurate.
pmtime Supporter 612 · November 30, 2021
Serial Number 1365451 was reported as accurate.
Anonymous · November 17, 2021
Serial Number 1366044 was reported as accurate.
Anonymous · September 11, 2021
Serial Number 1365226 was reported as accurate.
Anonymous · May 25, 2021
Serial Number 1364073 was reported as accurate.
Anonymous · May 25, 2021
Serial Number 1364073 was reported as accurate.
Anonymous · May 25, 2021
Serial Number 1364073 was reported as accurate.
Anonymous · January 16, 2021
Serial Number 1370446 was reported as accurate.
Anonymous · December 12, 2020
Serial Number 1366085 was reported as accurate.
Anonymous · December 12, 2020
Serial Number 1366085 was reported as accurate.
Anonymous · October 7, 2020
Serial Number 1370843 was reported as accurate.
Anonymous · August 1, 2020
Serial Number 1365887 was reported as accurate.
Anonymous · July 10, 2020
Serial Number 1365887 was reported as accurate.
Anonymous · December 29, 2019
Serial Number 1373032 was reported as accurate.
Anonymous · November 24, 2019
Serial Number 1373569 was reported as accurate.
Anonymous · September 4, 2019
Serial Number 1370000 was reported as accurate.
Anonymous · July 29, 2019
Serial Number 1367502 was reported as accurate.
Anonymous · July 27, 2019
Serial Number 1373130 was reported as accurate.
Anonymous · June 26, 2019
Serial Number 1365010 was reported as accurate.
Anonymous · May 17, 2019
Serial Number 1372880 was reported as accurate.
darkstar 247 · May 13, 2019
Serial Number 1371384 was reported as accurate.
Anonymous · May 4, 2019
Serial Number 1372036 was reported as accurate.
Anonymous · March 13, 2019
Serial Number 1370389 was reported as accurate.
pmtime Supporter 612 · March 6, 2019
Serial Number 1363866 was reported as inaccurate.
mvt, adj. to 3p
Anonymous · December 31, 2018
Serial Number 1364793 was reported as accurate.
Anonymous · December 15, 2018
Serial Number 1365273 was reported as accurate.
Anonymous · November 28, 2018
Serial Number 1372411 was reported as accurate.
Anonymous · November 7, 2018
Serial Number 1367889 was reported as accurate.
Anonymous · October 24, 2018
Serial Number 1366000 was reported as inaccurate.
Anonymous · October 13, 2018
Serial Number 1371681 was reported as accurate.
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