Pocket Watch Database

We noticed that you entered a relatively short serial number.
"7427" could possibly indicate the grade of the watch and not the serial number of your movement. Serial numbers are usually more than a few digits.
From the American Horology Archive:
Hamilton Grade 937 Pocket Watch Movement

Hamilton Watch Co.

Grade: 937

Private Label(s) in Run:
F.G. Thearle Jr & Co. - Chicago, Ill. // Edward Moulton - Worcester, Mass.
What is a Private Label?
Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 7427
Grade: 937
Model: 2
Class: 2
To Finishing Dept: Oct 16, 1894
Run Quantity: 590
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
Dial Feet Locations: 2.6, 18.0, 38.2
U.S. Patents: 832672, 427072
Data Research: 1953 Hamilton Serial List

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

Data Verification Reports

7011
Verification Serial Map
7600

Anonymous · March 3, 2020

Serial Number 7352 was reported as accurate.

Anonymous · February 8, 2019

Serial Number 7095 was reported as accurate.

bjeans01 29 · January 30, 2019

Serial Number 7085 was reported as accurate.

Anonymous · May 3, 2018

Serial Number 7436 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · April 1, 2018

Serial Number 7495 was reported as accurate.

Anonymous · March 1, 2018

Serial Number 7495 was reported as accurate.

Gimparoo 694 · February 17, 2018

Serial Number 7132 was reported as accurate.

Mobilaero 227 · March 1, 2017

Serial Number 7427 was reported as accurate.

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

ravenwood 1 · February 21, 2017

Serial Number 7059 was reported as accurate.

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

Anonymous · February 21, 2017

Serial Number 7057 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 · April 30, 2016

Serial Number 7317 was reported as accurate.

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

Anonymous · August 28, 2015

Serial Number 7553 was reported as accurate.

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

Anonymous · January 21, 2015

Serial Number 7192 was reported as accurate.

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

Anonymous · July 22, 2014

Serial Number 7576 was reported as accurate.

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

Anonymous · July 22, 2014

Serial Number 7577 was reported as accurate.

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

Anonymous · January 24, 2014

Serial Number 007511 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 · March 8, 2013

Serial Number 7044 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to No
Hamilton Grade 937 Pocket Watch Movement