Pocket Watch Database

There is an alternative result available for this serial number. View the result for E. Howard (Keystone) movement #22010.
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: 22010 Question Mark
Grade: Heat & Cold, Patent Regulator Question Mark
Model: Series III Question Mark
Estimated Production Date: July 15, 1869 Question Mark
Size: N Question Mark
Jewels: 15j Question Mark
Jewel Setting: Burnished Jewels Question Mark
Movement Configuration: Adaptable Question Mark
Movement Finish: Gilt Question Mark
Movement Setting: Key Question Mark
Plate: 3/4 Plate Question Mark
Regulator: Mershon Question Mark
Railroad Grade: No Question Mark
Movement Markings: E. Howard & Co.
Boston
N
Reed's Patent Nov. 24, 1857
Case: Various Question Mark
Run ID: 644.G5.S638.M635.E643.K643.15J644 Question Mark
Data Research: E. Howard & Co. Factory Abstracts (Bob Rolfe)
Question Mark
Database Version: v52.560 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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