Pocket Watch Database

There is an alternative result available for this serial number. View the result for E. Howard (Keystone) movement #20992.
From the American Horology Archive:

E. Howard & Co.

Grade: Heat & Cold, Patent Regulator

Manufacturer: E. Howard & Co. Question Mark
Manufacturer Location: Roxbury, Massachusetts Question Mark
Movement Serial Number: 20992 Question Mark
Grade: Heat & Cold, Patent Regulator Question Mark
Model: Series III Question Mark
Estimated Production Date: May 14, 1869 Question Mark
Size: N Question Mark
Jewels: 15j Question Mark
Movement Configuration: Adaptable Question Mark
Movement Setting: Key Question Mark
Plate: 3/4 Plate Question Mark
Regulator: Patent Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 549.G2.S543.M540.E548.K548.15J549 Question Mark
Data Research: E. Howard & Co. Factory Abstracts (Bob Rolfe)
Question Mark
Database Version: v52.516 Question Mark
Registry Population:
Scoped for This Run Only
1 (10.00%) Question Mark
Research Note: Mixed Run: Adjusted to Heat & Cold and Unadjusted, Patent Regulator Movements

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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.


cmould Supporter 192 · March 23, 2023

Serial Number 20992 was reported as accurate.