Pocket Watch Database

From the American Horology Archive:
Hamilton Grade 937 Pocket Watch Movement

Hamilton Watch Co.

Grade: 937

Private Label(s) in Run:
H.V. Taylor. - Waterloo, Iowa // HowesS Bros. - 17 Jewel Special - Clinton, Ia.
What is a Private Label?
Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 89966
Grade: 937
Model: 2
Class: 2
Estimated Production Year: 1900
Run Quantity: 500
Total Production: 8,306
Size: 18s
Jewels: 17j
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Hunting
Movement Finish: Nickel
Movement Setting: Lever
Plate: Full Plate
Barrel: Going
Regulator: Goldthwait
Hairspring: Breguet
Pallet Jewel Material: Sapphire
Standard Dial Type: Double-Sunk
Adjusted: Yes
Adjusted to Position: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: No
Railroad Grade Classification: Class C
Dial Feet Locations: 2.6, 18.0, 38.2
U.S. Patents: 832672, 427072
Data Research: 1953 Hamilton Serial List
Database Version: v47.152
Research Note: #89620: Two-Tone Private Label Marked for "H.V. Taylor - Waterloo, Iowa." [IHC185]

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Data Verification Reports

89501
Verification Serial Map
90000

Anonymous · February 10, 2019

Serial Number 89804 was reported as inaccurate.

Note: PRIVATE LABEL
HOWES BROS. , 17 JEWEL SPECIAL , CLINTON IA.
ON MOVEMENT AND DIAL

DIAL IS SINGLE SUNK .

WLBelkriver33 804 · February 9, 2019

Serial Number 89949 was reported as accurate.

Anonymous · September 17, 2017

Serial Number 89981 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · December 5, 2016

Serial Number 89930 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · July 9, 2015

Serial Number 89870 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · February 24, 2014

Serial Number 89615 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · February 2, 2014

Serial Number 089698 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2
Hamilton Grade 937 Pocket Watch Movement