Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1276236
Access Date: December 01, 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: | 1276236 | |
| Grade: | Series 7 | |
| Model: | 1912 | |
| Estimated Production Year: | 1914 | |
| Run Quantity: | 11,000 | |
| Grade/Model Run: | 13 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 | |
| Barrel: | Going | |
| 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 Adjustment Temperature 3 Pos. Pat'd '12 |
|
| Case: | Various | |
| Run ID: | 295.G34.12S74.121912M29.O209.P208.17J138 | |
| Database Version: | v52.476 | |
| 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 | 16 (0.15%) | |
| $ Estimated Value (12 Month Change): | 2.68% Analyzing 474 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 16 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 · November 12, 2024
Serial Number 1270720 was reported as accurate.
cjbrem Supporter 926 · February 18, 2024
Serial Number 1276861 was reported as accurate.
Anonymous · December 26, 2023
Serial Number 1270753 was reported as accurate.
MoatsJustin1 top-contributor 5269 · November 16, 2023
Serial Number 1271112 was reported as accurate.
MoatsJustin1 top-contributor 5269 · October 30, 2023
Serial Number 1275437 was reported as accurate.
pmtime Supporter 612 · June 12, 2023
Serial Number 1270884 was reported as accurate.
Anonymous · December 2, 2022
Serial Number 1274239 was reported as accurate.
Anonymous · September 19, 2022
Serial Number 1271666 was reported as accurate.
phantacc Supporter 66 · August 19, 2022
Serial Number 1275012 was reported as accurate.
Anonymous · May 11, 2022
Serial Number 1268880 was reported as accurate.
Anonymous · June 30, 2021
Serial Number 1267020 was reported as inaccurate.
Anonymous · June 4, 2021
Serial Number 1272110 was reported as accurate.
Anonymous · May 25, 2021
Serial Number 1270822 was reported as accurate.
Anonymous · May 8, 2021
Serial Number 1269376 was reported as accurate.
Anonymous · May 4, 2021
Serial Number 1269376 was reported as accurate.
Anonymous · April 12, 2021
Serial Number 1277192 was reported as accurate.
Anonymous · March 25, 2021
Serial Number 1277967 was reported as accurate.
Anonymous · March 6, 2021
Serial Number 1277967 was reported as accurate.
Anonymous · March 2, 2021
Serial Number 1267813 was reported as inaccurate.
Anonymous · December 14, 2020
Serial Number 1272410 was reported as accurate.
billkov 98 · December 13, 2020
Serial Number 1268386 was reported as accurate.
Anonymous · September 15, 2020
Serial Number 1276252 was reported as accurate.
Anonymous · September 5, 2020
Serial Number 1273612 was reported as accurate.
cmdraven 4083 · August 9, 2020
Serial Number 1273062 was reported as accurate.
pmtime Supporter 612 · August 5, 2020
Serial Number 1275041 was reported as accurate.
Anonymous · July 26, 2020
Serial Number 1275809 was reported as accurate.
Anonymous · July 14, 2020
Serial Number 1274162 was reported as accurate.
Anonymous · June 26, 2020
Serial Number 1276772 was reported as accurate.
Anonymous · June 3, 2020
Serial Number 1270163 was reported as accurate.
arisandino 14 · May 21, 2020
Serial Number 1272020 was reported as accurate.
Anonymous · May 19, 2020
Serial Number 1274162 was reported as accurate.
Rcardkidz 4083 · May 5, 2020
Serial Number 1269890 was reported as accurate.
Anonymous · April 24, 2020
Serial Number 1277967 was reported as accurate.
Anonymous · January 9, 2020
Serial Number 1274802 was reported as accurate.
Anonymous · November 1, 2019
Serial Number 1272054 was reported as accurate.
Anonymous · October 24, 2019
Serial Number 1274162 was reported as accurate.
Anonymous · October 22, 2019
Serial Number 1274801 was reported as accurate.
Anonymous · September 23, 2019
Serial Number 1271393 was reported as accurate.
Anonymous · August 18, 2019
Serial Number 1273062 was reported as accurate.
Anonymous · August 4, 2019
Serial Number 1274511 was reported as accurate.
Anonymous · June 13, 2019
Serial Number 1275845 was reported as accurate.
Anonymous · May 15, 2019
Serial Number 1270988 was reported as accurate.
Anonymous · April 10, 2019
Serial Number 1277251 was reported as accurate.
Anonymous · January 18, 2019
Serial Number 1277811 was reported as accurate.
Anonymous · January 14, 2019
Serial Number 1271344 was reported as inaccurate.
Anonymous · January 2, 2019
Serial Number 1269233 was reported as accurate.
Anonymous · November 29, 2018
Serial Number 1269092 was reported as inaccurate.
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