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: 1106644 Question Mark
Grade: Series 8 Question Mark
Model: 1912 Question Mark
Estimated Production Year: Login to View for Free Question Mark
Run Quantity: Login to View for Free Question Mark
Grade/Model Run: Login to View for Free Question Mark
Grade/Model Total Production: Login to View for Free Question Mark
Variant Est. Production: Login to View for Free Question Mark
Size: 12s Question Mark
Jewels: 23j Question Mark
Jewel Setting: Login to View for Free Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Wind Mechanism: Pendant Question Mark
Plate: Bridge Plate Question Mark
Double Roller: Yes Question Mark
Regulator: Login to View for Free Question Mark
Hairspring: Login to View for Free Question Mark
Standard Dial Type: Login to View for Free Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: Login to View for Free Question Mark
Movement Markings: Login to View for Free
Case: Various Question Mark
Run ID: 207.G11.12S36.121912M2.O128.P157.23J24 Question Mark
Database Version: v52.645 Question Mark
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11 Additional Member-Only Data Points Available

The following information is unlocked with a free account:

Estimated Production Year, Run Quantity, Grade/Model Run, Grade/Model Total Production, Variant Est. Production, Jewel Setting, Regulator Type, Hairspring, Standard Dial Type, Railroad Grade Designation, Movement Markings

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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.


ebsrods Supporter 131 · March 18, 2021

Serial Number 1106706 was reported as inaccurate.

Note: movement marked 23 jewel not 21.
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 21j to 23j
Factory Model changed from 1908 to 1912
E. Howard Watch Co. (Keystone) Grade Series 8 Pocket Watch