Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1300431
Access Date: August 31, 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:
![E. Howard Watch Co. (Keystone) Grade Series 7 Pocket Watch](https://pocketwatchdatabase.com/assets/images/cuts/E.HowardWatchCo.(Keystone)-Series7-12s.jpg)
E. Howard Watch Co. (Keystone)
Grade: Series 7
Manufacturer: | E. Howard Watch Co. (Keystone) | ![]() |
Manufacturer Location: | Waltham, Massachusetts | ![]() |
Movement Serial Number: | 1300431 | ![]() |
Grade: | Series 7 | ![]() |
Model: | 1912 | ![]() |
Estimated Production Year: | 1915 | ![]() |
Run Quantity: | 14,000 | ![]() |
Grade/Model Run: | 14 of 20 | ![]() |
Grade/Model Total Production: | 179,400 | ![]() |
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: | 314.G36.12S79.121912M34.O219.P213.17J142 | ![]() |
Database Version: | v52.387 | ![]() |
Advanced Metrics | ||
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 539.83 | ![]() |
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 2,124.29 | ![]() |
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 31.539% | ![]() |
Registry Population: Scoped for This Run Only | 20 (0.14%) | ![]() |
$ Estimated Value (12 Month Change): | -2.16% Analyzing 457 Sales | ![]() |
Production Metrics Tree: Grade Series 7
Target Profile: 12S-M1912-17J-ONP-A3PT
E. Howard Watch Co. (Keystone) Grade Series 7 (All Variations): 233,350 ETP | |||
12S: 230,350 98.71% 12s, Grade Series 7 |
Other: 3,000
Other Sizes or Unclassified |
||
12S-M1912: 179,400 76.88% 12s, Grade Series 7, Model 1912 |
Other: 50,950
Other Models or Unclassified |
||
12S-M1912-17J: 179,400 76.88% 12s, Grade Series 7, Model 1912, 17 Jewels |
|||
12S-M1912-17J-ONP: 179,400 76.88% 12s, Grade Series 7, Model 1912, 17 Jewels, Openface/Pendant/Nickel |
|||
12S-M1912-17J-ONP-A3PT: 179,400 76.88% |
Population Registry for This Run
Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
---|---|---|---|---|---|
There are 20 watches in the population registry for this run with 4 images.
|
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.
cjbrem Supporter 709 · July 6, 2024
Serial Number 1291522 was reported as accurate.
Anonymous · May 31, 2024
Serial Number 1293566 was reported as accurate.
YankeeLover24 1 · October 28, 2022
Serial Number 1292842 was reported as accurate.
Anonymous · September 21, 2022
Serial Number 1300405 was reported as accurate.
Anonymous · August 23, 2022
Serial Number 1290726 was reported as accurate.
Anonymous · May 1, 2022
Serial Number 1300001 was reported as accurate.
mcopper 55 · April 8, 2022
Serial Number 1297817 was reported as accurate.
Anonymous · December 28, 2021
Serial Number 1298924 was reported as accurate.
Anonymous · November 17, 2021
Serial Number 1301235 was reported as accurate.
Anonymous · September 16, 2021
Serial Number 1295730 was reported as accurate.
Anonymous · July 9, 2021
Serial Number 1293774 was reported as accurate.
Anonymous · May 23, 2021
Serial Number 1290624 was reported as accurate.
Anonymous · May 2, 2021
Serial Number 1301022 was reported as accurate.
petersas 17 · April 13, 2021
Serial Number 1301483 was reported as accurate.
Anonymous · April 1, 2021
Serial Number 1302179 was reported as accurate.
Anonymous · January 21, 2021
Serial Number 1291559 was reported as accurate.
bananajoe Supporter 4 · December 22, 2020
Serial Number 1293885 was reported as accurate.
Anonymous · November 7, 2020
Serial Number 1292425 was reported as accurate.
Anonymous · November 4, 2020
Serial Number 1297703 was reported as inaccurate.
Anonymous · September 28, 2020
Serial Number 1296140 was reported as accurate.
Anonymous · September 19, 2020
Serial Number 1302955 was reported as accurate.
Bostonwatch 59 · September 4, 2020
Serial Number 1292159 was reported as accurate.
MoatsJustin1 top-contributor 5075 · August 15, 2020
Serial Number 1301658 was reported as accurate.
texnet 684 · July 23, 2020
Serial Number 1302623 was reported as accurate.
Anonymous · July 10, 2020
Serial Number 1293258 was reported as accurate.
Anonymous · July 9, 2020
Serial Number 1297375 was reported as accurate.
Anonymous · May 24, 2020
Serial Number 1296736 was reported as accurate.
jmfoss03 33 · May 9, 2020
Serial Number 1292676 was reported as accurate.
windupthings 24 · April 10, 2020
Serial Number 1302623 was reported as accurate.
Anonymous · April 1, 2020
Serial Number 1293885 was reported as accurate.
Anonymous · March 6, 2020
Serial Number 1302623 was reported as accurate.
Anonymous · March 5, 2020
Serial Number 1300797 was reported as accurate.
Anonymous · March 1, 2020
Serial Number 1294979 was reported as accurate.
Anonymous · December 24, 2019
Serial Number 1295562 was reported as accurate.
Anonymous · August 27, 2019
Serial Number 1293653 was reported as accurate.
Anonymous · August 21, 2019
Serial Number 1293408 was reported as accurate.
Anonymous · August 8, 2019
Serial Number 1301235 was reported as accurate.
texnet 684 · July 20, 2019
Serial Number 1300123 was reported as accurate.
Kevin H 84 · June 15, 2019
Serial Number 1290391 was reported as accurate.
AlbuquerqueCoins Supporter 4 · June 15, 2019
Serial Number 1296156 was reported as accurate.
Anonymous · May 5, 2019
Serial Number 1299991 was reported as accurate.
Anonymous · February 7, 2019
Serial Number 1297117 was reported as accurate.
![E. Howard Watch Co. (Keystone) Grade Series 7 Pocket Watch](https://pocketwatchdatabase.com/assets/images/cuts/E.HowardWatchCo.(Keystone)-Series7-12s.jpg)
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