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 7 Pocket Watch

E. Howard Watch Co. (Keystone)

Grade: Series 7

Manufacturer: E. Howard Watch Co. (Keystone)
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 996094
Grade: Series 7
Model: 1908
Estimated Production Year: 1911
Run Quantity: 2,350
Grade/Model Run: 4 of 21
Grade/Model Total Production: 53,400
Variant Est. Production: 47,400 (12S-M1908-17J-ONP)
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: 124.G4.12S4.121908M4.O67.P98.17J94
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
59.58
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
199.10
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
3.851%
Registry Population: 3 (0.13%)
$ Estimated Value (12 Month Change): 2.03% Analyzing 400 Sales
Research Note: Equipped with Stop-Works

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 · April 30, 2022

Serial Number 995921 was reported as inaccurate.

Note: Mine has 19 jewels instead of 17
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · February 29, 2020

Serial Number 994089 was reported as accurate.

Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface

Anonymous · January 13, 2020

Serial Number 994808 was reported as accurate.

Changes since this report was submitted:
Movement Configuration changed from Openface or Hunting to Openface

Anonymous · March 15, 2019

Serial Number 996197 was reported as accurate.

Changes since this report was submitted:
Grade changed from ? to Series 7
E. Howard Watch Co. (Keystone) Grade Series 7 Pocket Watch