Pocket Watch Database

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 8 Pocket Watch

E. Howard Watch Co. (Keystone)

Grade: Series 8

Manufacturer: E. Howard Watch Co. (Keystone) Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 1265663 Question Mark
Grade: Series 8 Question Mark
Model: 1912 Question Mark
Estimated Production Year: 1914 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 9 of 10 Question Mark
Grade/Model Total Production: 9,950 Question Mark
Variant Est. Production: 9,450 (12S-M1912-23J-ONP) Question Mark
Size: 12s Question Mark
Jewels: 23j Question Mark
Jewel Setting: Burnished Jewels Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: Bridge Plate Question Mark
Double Roller: Yes Question Mark
Regulator: Reed Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: No Question Mark
Movement Markings: E. Howard Watch Co.
Boston U.S.A.
23 Jewels
Pat'd '12
Five Positions And Temperature
Special Adjustment
Case: Various Question Mark
Run ID: 293.G25.12S72.121912M27.O207.P206.23J43 Question Mark
Database Version: v52.498 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
28.45 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
100.00 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
1.807% Question Mark
Registry Population:
Scoped for This Run Only
9 (0.90%) Question Mark

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.


ewened 25 · October 15, 2022

Serial Number 1265663 was reported as accurate.

Anonymous · May 7, 2022

Serial Number 1265751 was reported as inaccurate.

Note: This watch is 17 jewels in a 14kt case size 12 is
correct
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

gary209h Supporter 7 · April 17, 2022

Serial Number 1265751 was reported as accurate.

Anonymous · March 3, 2022

Serial Number 1265663 was reported as accurate.

Timmyt19 3 · May 12, 2019

Serial Number 1265488 was reported as accurate.

WLBelkriver33 804 · December 12, 2018

Serial Number 1265051 was reported as accurate.

E. Howard Watch Co. (Keystone) Grade Series 8 Pocket Watch