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: 1067864 Question Mark
Grade: Series 8 Question Mark
Variation: Safety Question Mark
Model: 1908 Question Mark
Estimated Production Year: 1910 Question Mark
Run Quantity: 450 Question Mark
Grade/Model Run: 6 of 16 Question Mark
Grade/Model Total Production: 4,450 Question Mark
Variant Est. Production: 450 (12S-M1908-21J-ONP-A5PT-SAFETY) Question Mark
Size: 12s Question Mark
Jewels: 21j 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
Standard Dial Type: Single-Sunk 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.
Adjusted
21 Jewels
Pat'd '08
Five Positions and Temperature
Case: Various Question Mark
Run ID: 170.G6.12S20.121908M20.O100.P137.21J11 Question Mark
Database Version: v52.431 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
13.09 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
45.97 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.833% Question Mark
Registry Population:
Scoped for This Run Only
3 (0.67%) Question Mark
Research Note: #1067569: Verified certificate card indicates 21 Jewels (movement not seen). #1067729 and #1067853: Reported as 21 Jewels.

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.


Anonymous · September 28, 2024

Serial Number 1067573 was reported as accurate.

tad001 6 · March 23, 2023

Serial Number 1067606 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1912 to 1908

Anpavl Supporter 43 · December 21, 2022

Serial Number 1067560 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1912 to 1908

tad001 6 · May 5, 2022

Serial Number 1067606 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1912 to 1908

Anonymous · August 7, 2021

Serial Number 1067729 was reported as inaccurate.

Note: Watch is stamped 21 Jewel
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.
Changes since this report was submitted:
Jewels changed from 23j to 21j
Factory Model changed from 1912 to 1908

Anonymous · January 9, 2019

Serial Number 1067853 was reported as inaccurate.

Note: movement is stamped 21 jewels, not 23.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection so we can take a closer look.
Changes since this report was submitted:
Jewels changed from 23j to 21j
Factory Model changed from 1912 to 1908

AWeber62 97 · January 9, 2019

Serial Number 1067853 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 23j to 21j
Factory Model changed from 1912 to 1908
E. Howard Watch Co. (Keystone) Grade Series 8 Pocket Watch