Pocket Watch Database

We noticed that you entered a relatively short serial number.
"1681" 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:
C. Boehmer & Co. - St. Louis, Mo.
What is a Private Label?
Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 1681
Grade: 937
Model: 2
Class: 2
Estimated Production Year: 1894
Run Quantity: 400
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

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Data Verification Reports

1601
Verification Serial Map
2000

Anonymous · February 4, 2020

Serial Number 1823 was reported as accurate.

Anonymous · February 23, 2019

Serial Number 1788 was reported as accurate.

rjandladyj 153 · January 28, 2016

Serial Number 1730 was reported as accurate.

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

rnewman61 2 · December 26, 2015

Serial Number 1869 was reported as accurate.

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

Anonymous · May 22, 2015

Serial Number 1823 was reported as accurate.

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

Anonymous · May 12, 2015

Serial Number 1823 was reported as accurate.

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

Anonymous · August 6, 2014

Serial Number 1885 was reported as accurate.

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

Anonymous · July 20, 2014

Serial Number 1993 was reported as accurate.

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

Anonymous · June 5, 2014

Serial Number 1681 was reported as accurate.

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

Anonymous · March 25, 2014

Serial Number 1912 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 · August 31, 2013

Serial Number 1911 was reported as accurate.

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

Anonymous · August 16, 2013

Serial Number 1870 was reported as accurate.

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

Anonymous · March 18, 2013

Serial Number 1866 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to No

Anonymous · October 8, 2012

Serial Number 1632 was reported as inaccurate.

No further details were submitted with the report.
Hamilton Grade 937 Pocket Watch Movement