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: 1218948 Question Mark
Grade: Series 8 Question Mark
Model: 1912 Question Mark
Estimated Production Year: Login to View Question Mark
Run Quantity: Login to View Question Mark
Grade/Model Run: Login to View Question Mark
Grade/Model Total Production: Login to View Question Mark
Variant Est. Production: Login to View Question Mark
Size: 12s Question Mark
Jewels: 23j Question Mark
Jewel Setting: Login to View 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 Question Mark
Hairspring: Login to View Question Mark
Standard Dial Type: Login to View Question Mark
Adjusted: Login to View Question Mark
Adjusted # of Positions: Login to View Question Mark
Adjusted to Temperature: Login to View Question Mark
Railroad Grade: Login to View Question Mark
Movement Markings: Login to View
Case: Various Question Mark
Run ID: 280.G21.12S63.121912M16.O194.P196.23J38 Question Mark
Database Version: v52.644 Question Mark
Advanced Metrics
Members Only Data. Login or create a free account to unlock.
Registry Population:
Scoped for This Run Only
5 (0.50%) Question Mark
14 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, Adjustments, Positional Adjustments, Temperature Adjustments, 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.


Anonymous · January 16, 2025

Serial Number 1218087 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · January 9, 2025

Serial Number 1218087 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · January 9, 2025

Serial Number 1218087 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · January 7, 2025

Serial Number 1218087 was reported as accurate.

Anonymous · June 15, 2023

Serial Number 1218451 was reported as accurate.

Anonymous · January 24, 2020

Serial Number 1218558 was reported as accurate.

Kurlander Supporter 25 · December 5, 2019

Serial Number 1218215 was reported as accurate.

Anonymous · June 5, 2019

Serial Number 1218171 was reported as accurate.

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