Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1302623/movement
Access Date: March 28, 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
Manufacturer: | E. Howard Watch Co. (Keystone) | |
Manufacturer Location: | Waltham, Massachusetts | |
Movement Serial Number: | 1302623 | |
Grade: | Series 7 | |
Model: | 1912 | |
Estimated Production Year: | 1915 | |
Run Quantity: | 14,000 | |
Grade/Model Run: | 13 of 19 | |
Grade/Model Total Production: | 179,100 | |
Size: | 12s | |
Jewels: | 17j | |
Movement Configuration: | Openface or Hunting | |
Movement Finish: | Nickel | |
Movement Setting: | Pendant | |
Plate: | Bridge Plate | |
Double Roller: | Yes | |
Hairspring: | Breguet | |
Adjusted: | Yes | |
Adjusted # of Positions: | 3 | |
Adjusted to Temperature: | Yes | |
Railroad Grade: | No | |
Case: | Various | |
Run ID: | 302.G34.12S76.121912M31.O16.P197.17J135 | |
Database Version: | v52.219 | |
Advanced Metrics | ||
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 155.99 | |
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 521.42 | |
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 10.083% | |
Registry Population: | 19 (0.14%) | |
$ Estimated Value (12 Month Change): | 2.16% Analyzing 454 Sales |
Production Metrics Tree: Grade Series 7
Target Profile: 12S-M1912-17J-ONP-A3PT
E. Howard Watch Co. (Keystone) Grade Series 7 (All Variations): 232,500 ETP | |
12S: 232,500 100.00% 12s, Grade Series 7 |
|
12S-M1912: 179,100 77.03% 12s, Grade Series 7, Model 1912 |
Other: 53,400
Other Models or Unclassified |
12S-M1912-17J: 179,100 77.03% 12s, Grade Series 7, Model 1912, 17 Jewels |
|
12S-M1912-17J-ONP: 179,100 77.03% 12s, Grade Series 7, Model 1912, 17 Jewels, Openface or Hunting/Pendant/Nickel |
|
12S-M1912-17J-ONP-A3PT: 179,100 77.03% |
Population Registry for This Run
Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
---|---|---|---|---|---|
There are 19 watches in the population registry for this run with 4 images.
|
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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.
YankeeLover24 1 · October 28, 2022
Serial Number 1292842 was reported as accurate.
mcopper 55 · April 8, 2022
Serial Number 1297817 was reported as accurate.
petersas 17 · April 13, 2021
Serial Number 1301483 was reported as accurate.
bananajoe 4 · December 22, 2020
Serial Number 1293885 was reported as accurate.
Anonymous · November 4, 2020
Serial Number 1297703 was reported as inaccurate.
Bostonwatch 59 · September 4, 2020
Serial Number 1292159 was reported as accurate.
MoatsJustin1 top-contributor 4691 · August 15, 2020
Serial Number 1301658 was reported as accurate.
texnet 684 · July 23, 2020
Serial Number 1302623 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 · 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.
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