Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1157979/link
Access Date: December 24, 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: | 1157979 | |
Grade: | Series 7 | |
Model: | 1912 | |
Estimated Production Year: | 1913 | |
Run Quantity: | 1,500 | |
Grade/Model Run: | 2 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: | 255.G23.12S49.121912M4.O173.P181.17J127 | |
Database Version: | v52.526 | |
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 | 1 (0.07%) | |
$ Estimated Value (12 Month Change): | 4.73% Analyzing 484 Sales |
Production Metrics Tree: Grade Series 7
Target Profile: 12S-M1912-17J-ONP-A3PT
E. Howard Watch Co. (Keystone) Grade Series 7 (All Variations): 238,850 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 is 1 watch in the population registry for this run with 1 image.
|
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.
JungleJim 4 · August 3, 2023
Serial Number 1157699 was reported as accurate.
PHIL1199 Supporter 1159 · July 30, 2022
Serial Number 1157924 was reported as accurate.
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