Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1168520/movement
Access Date: December 17, 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: | 1168520 | |
| Grade: | Series 7 | |
| Model: | 1912 | |
| Estimated Production Year: | 1913 | |
| Run Quantity: | 10,000 | |
| Grade/Model Run: | 3 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. Adjusted 17 Jewels Pat'd '12 |
|
| Case: | Various | |
| Run ID: | 258.G24.12S50.121912M5.O176.P182.17J128 | |
| Database Version: | v52.512 | |
| 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 | 34.866% | |
| Registry Population: Scoped for This Run Only | 18 (0.18%) | |
Production Metrics Tree: Grade Series 7
Target Profile: 12S-M1912-17J-ONP-A3PT
| E. Howard Watch Co. (Keystone) Grade Series 7 (All Variations): 238,850 ETP | ||
| 12S: 235,850 98.74% 12s, Grade Series 7 |
Other: 3,000
Other Sizes or Unclassified |
|
| 12S-M1912: 182,400 76.37% 12s, Grade Series 7, Model 1912 |
Other: 53,450
Other Models or Unclassified |
|
| 12S-M1912-17J: 182,400 76.37% 12s, Grade Series 7, Model 1912, 17 Jewels |
||
| 12S-M1912-17J-ONP: 182,400 76.37% 12s, Grade Series 7, Model 1912, 17 Jewels, Openface/Pendant/Nickel |
||
| 12S-M1912-17J-ONP-A3PT: 182,400 76.37% | ||
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
|
There are 18 watches in the population registry for this run with 8 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 · May 27, 2024
Serial Number 1161788 was reported as accurate.
Anonymous · February 1, 2024
Serial Number 1168267 was reported as accurate.
MoatsJustin1 top-contributor 5272 · November 16, 2023
Serial Number 1162432 was reported as accurate.
Anonymous · May 10, 2023
Serial Number 1163674 was reported as accurate.
tubasid Supporter 3 · March 24, 2023
Serial Number 1169319 was reported as accurate.
diamondjoe 27 · February 23, 2023
Serial Number 1168219 was reported as accurate.
Anonymous · March 28, 2022
Serial Number 1169039 was reported as accurate.
Anonymous · March 25, 2022
Serial Number 1169324 was reported as accurate.
Anonymous · September 1, 2021
Serial Number 1169067 was reported as accurate.
MoatsJustin1 top-contributor 5272 · August 3, 2021
Serial Number 1163135 was reported as accurate.
Anonymous · July 9, 2021
Serial Number 1167365 was reported as accurate.
mdmiller99 Supporter 33 · July 6, 2021
Serial Number 1162921 was reported as accurate.
Anonymous · May 20, 2021
Serial Number 1169720 was reported as accurate.
Anonymous · May 12, 2021
Serial Number 1162921 was reported as accurate.
ginia323 9 · May 3, 2021
Serial Number 1167165 was reported as accurate.
ginia323 9 · May 3, 2021
Serial Number 1167165 was reported as accurate.
ginia323 9 · May 2, 2021
Serial Number 1167165 was reported as accurate.
heicke 6 · January 20, 2021
Serial Number 1169839 was reported as accurate.
CJEmpire3 113 · January 2, 2021
Serial Number 1169862 was reported as accurate.
Anonymous · June 2, 2020
Serial Number 1162079 was reported as accurate.
Anonymous · June 1, 2020
Serial Number 1162079 was reported as accurate.
Anonymous · May 11, 2020
Serial Number 1162212 was reported as accurate.
Anonymous · April 27, 2020
Serial Number 1162319 was reported as accurate.
Anonymous · February 25, 2020
Serial Number 1165699 was reported as accurate.
Anonymous · January 31, 2020
Serial Number 1169324 was reported as accurate.
Anonymous · January 12, 2020
Serial Number 1161815 was reported as accurate.
Anonymous · August 27, 2019
Serial Number 1164301 was reported as accurate.
Buckeyewatchguy 2 · July 15, 2019
Serial Number 1162147 was reported as accurate.
Anonymous · June 18, 2019
Serial Number 1163142 was reported as accurate.
Anonymous · April 29, 2019
Serial Number 1162307 was reported as accurate.
bogus22 Supporter 83 · February 26, 2019
Serial Number 1163370 was reported as accurate.
bogus22 Supporter 83 · February 22, 2019
Serial Number 1163370 was reported as accurate.
Anonymous · February 20, 2019
Serial Number 1163370 was reported as accurate.
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