Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1391117/link
Access Date: May 09, 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: | 1391117 | |
Grade: | Series 7 | |
Variation: | Arrow and Empty Circle | |
Model: | 1912 | |
Estimated Production Year: | 1921 | |
Run Quantity: | 10,000 | |
Grade/Model Run: | 18 of 19 | |
Grade/Model Total Production: | 179,100 | |
Variant Est. Production: | 67,000 (12S-M1912-17J-ONP-A3PT-ARROW AND EMPTY CIRCLE) | |
Size: | 12s | |
Jewels: | 17j | |
Movement Configuration: | Openface | |
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: | 321.G39.12S82.121912M37.O210.P205.17J142 | |
Database Version: | v52.270 | |
Advanced Metrics | ||
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 382.37 | |
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 1,271.17 | |
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 24.579% | |
Registry Population: | 15 (0.15%) | |
$ Estimated Value (12 Month Change): | 1.44% Analyzing 455 Sales |
Production Metrics Tree: Grade Series 7
Target Profile: 12S-M1912-17J-ONP-A3PT-ARROW AND EMPTY CIRCLE
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/Pendant/Nickel |
|||
12S-M1912-17J-ONP-A3PT: 179,100 77.03% | |||
12S-M1912-17J-ONP-A3PT-ARROW AND EMPTY CIRCLE: 67,000 28.82% |
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 9 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.
2mnyboxers Supporter 399 · December 20, 2023
Serial Number 1393218 was reported as accurate.
cjbrem Supporter 532 · December 4, 2023
Serial Number 1395070 was reported as accurate.
nicnic Supporter 386 · February 27, 2023
Serial Number 1393249 was reported as accurate.
nicnic Supporter 386 · March 9, 2022
Serial Number 1391734 was reported as accurate.
MoatsJustin1 top-contributor 4715 · October 28, 2021
Serial Number 1388129 was reported as accurate.
HerbertTrw Supporter 119 · October 20, 2021
Serial Number 1391040 was reported as accurate.
Anonymous · July 16, 2019
Serial Number 1389893 was reported as accurate.
Anonymous · February 4, 2019
Serial Number 1386112 was reported as inaccurate.
Walter 63 · January 21, 2019
Serial Number 1390745 was reported as accurate.
Walter 63 · December 30, 2018
Serial Number 1390745 was reported as accurate.
Walter 63 · December 30, 2018
Serial Number 1390745 was reported as accurate.
Anonymous · December 26, 2018
Serial Number 1387803 was reported as accurate.
Anonymous · December 9, 2018
Serial Number 1390402 was reported as accurate.
Mibeck 1 · October 22, 2018
Serial Number 1391979 was reported as accurate.
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