Pocket Watch Database

From the American Horology Archive:
Hamilton Grade 940 Pocket Watch
Hamilton Grade 940 Pocket Watch

Hamilton Watch Co.

Grade: 940

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 180957
Grade: 940
Model: 1
Estimated Production Year: 1902
Run Quantity: 1,000
Total Production: 210,596
Size: 18s
Jewels: 21j
Jewel Material: Ruby
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: Damaskeened
Movement Inlay Color: Gilt
Movement Setting: Lever
Plate: Full Plate
Barrel: Going
Regulator: Goldthwait
Hairspring: Breguet
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: Yes
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

180001
Verification Serial Map
181000

Anonymous · September 6, 2020

Serial Number 180573 was reported as accurate.

Anonymous · June 29, 2018

Serial Number 180068 was reported as accurate.

Anonymous · October 20, 2017

Serial Number 180388 was reported as accurate.

Anonymous · April 16, 2017

Serial Number 180029 was reported as accurate.

dnburkhardt 8 · September 1, 2016

Serial Number 180468 was reported as accurate.

dnburkhardt 8 · April 18, 2016

Serial Number 180468 was reported as accurate.

Anonymous · February 27, 2016

Serial Number 180396 was reported as accurate.

Anonymous · July 7, 2015

Serial Number 0180844 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · August 27, 2014

Serial Number 180447 was reported as accurate.

Anonymous · April 4, 2014

Serial Number 180830 was reported as accurate.

Anonymous · August 29, 2013

Serial Number 180448 was reported as inaccurate.

Note: 180448 910

Anonymous · October 2, 2012

Serial Number 180221 was reported as accurate.

Hamilton Grade 940 Pocket Watch
Hamilton Grade 940 Pocket Watch