Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1221676/link
Access Date: November 21, 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: | 1221676 | |
| Grade: | Series 7 | |
| Model: | 1912 | |
| Estimated Production Year: | 1913 | |
| Run Quantity: | 10,000 | |
| Grade/Model Run: | 9 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: | 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. 17 Jewels Adjustment Temperature 3 Pos. Pat'd '12 |
|
| Case: | Various | |
| Run ID: | 278.G30.12S63.121912M18.O193.P196.17J134 | |
| Database Version: | v52.449 | |
| 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 (0.15%) | |
| $ 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 15 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.
jrussell2002 104 · February 6, 2024
Serial Number 1226779 was reported as accurate.
mbellich Supporter 29 · November 4, 2022
Serial Number 1226165 was reported as accurate.
Anonymous · July 21, 2022
Serial Number 1221870 was reported as accurate.
Anonymous · April 20, 2022
Serial Number 1224225 was reported as accurate.
Anonymous · March 27, 2022
Serial Number 1225525 was reported as accurate.
Anonymous · October 7, 2021
Serial Number 1222929 was reported as accurate.
Anonymous · September 6, 2021
Serial Number 1220845 was reported as accurate.
Anonymous · June 4, 2021
Serial Number 1229662 was reported as accurate.
Anonymous · May 31, 2021
Serial Number 1227564 was reported as accurate.
Anonymous · February 21, 2021
Serial Number 1228480 was reported as accurate.
Anonymous · December 31, 2020
Serial Number 1229937 was reported as accurate.
lee571 Supporter 79 · December 14, 2020
Serial Number 1227676 was reported as accurate.
lee571 Supporter 79 · December 14, 2020
Serial Number 1227676 was reported as inaccurate.
Anonymous · August 14, 2020
Serial Number 1227395 was reported as accurate.
Rcardkidz 4054 · May 5, 2020
Serial Number 1227104 was reported as accurate.
Anonymous · April 18, 2020
Serial Number 1220322 was reported as accurate.
hudnic Supporter 78 · March 6, 2020
Serial Number 1229426 was reported as accurate.
Anonymous · February 20, 2020
Serial Number 1227932 was reported as accurate.
Anonymous · February 2, 2020
Serial Number 1227377 was reported as accurate.
Anonymous · January 20, 2020
Serial Number 1220738 was reported as accurate.
Anonymous · November 5, 2019
Serial Number 1227564 was reported as inaccurate.
Anonymous · September 7, 2019
Serial Number 1228236 was reported as accurate.
Anonymous · June 26, 2019
Serial Number 1222929 was reported as accurate.
Anonymous · June 24, 2019
Serial Number 1225787 was reported as inaccurate.
Anonymous · June 23, 2019
Serial Number 1223560 was reported as accurate.
Anonymous · May 23, 2019
Serial Number 1223029 was reported as accurate.
Anonymous · April 19, 2019
Serial Number 1220056 was reported as accurate.
Anonymous · March 16, 2019
Serial Number 1224070 was reported as accurate.
bubba70 543 · March 10, 2019
Serial Number 1222585 was reported as accurate.
Anonymous · February 14, 2019
Serial Number 1221508 was reported as accurate.
