Pocket Watch Database

There is an alternative result available for this serial number. View the result for E. Howard (Keystone) movement #54005.
From the American Horology Archive:

E. Howard & Co.
Manufacturer: E. Howard & Co.
Manufacturer Location: Roxbury, Massachusetts
Movement Serial Number: 54005
Model: Series V
Estimated Production Date: September 19, 1871
Size: L
Jewels: 15j
Jewel Setting: Burnished Jewels
Movement Configuration: Hunting
Movement Finish: Gilt
Movement Setting: Pendant
Plate: 3/4 Plate
Regulator: Reed
Adjusted: Yes
Adjusted to Position: No
Adjusted to Temperature: Yes
Movement Markings: E. Howard & Co.
Boston
L
Heat & Cold
Data Research: E. Howard & Co. Factory Abstracts (Bob Rolfe)
Case: Various
Run ID: 1785.G1305.S343.M340.H340.P348.15J1785
Database Version: v52.219
Registry Population: 1 (10.00%)
Research Note: #54005: Coin Silver Case Marked "M.B."

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