Pocket Watch Database

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

Hamilton Watch Co.

Grade: 940

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 276085
Grade: 940
Model: 1
Estimated Production Year: 1903
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
Railroad Grade Classification: Class A
Dial Feet Locations: 2.6, 18.0, 38.2
U.S. Patents: 832672, 427072
Data Research: 1953 Hamilton Serial List
Database Version: v47.470

Help Us Help Others By Improving the Database:

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Data Verification Reports

276001
Verification Serial Map
277000

Anonymous · May 13, 2021

Serial Number 276222 was reported as accurate.

avpalermo Supporter 400 · March 16, 2021

Serial Number 276621 was reported as accurate.

Anonymous · March 14, 2021

Serial Number 276621 was reported as accurate.

Anonymous · March 4, 2021

Serial Number 276787 was reported as accurate.

Anonymous · October 27, 2020

Serial Number 276951 was reported as accurate.

Anonymous · June 9, 2020

Serial Number 276051 was reported as accurate.

Anonymous · May 24, 2020

Serial Number 276015 was reported as accurate.

Gio1974 1 · April 4, 2019

Serial Number 276974 was reported as accurate.

Anonymous · January 16, 2019

Serial Number 276079 was reported as accurate.

Anonymous · January 22, 2018

Serial Number 276757 was reported as accurate.

Anonymous · December 27, 2017

Serial Number 276188 was reported as accurate.

Anonymous · September 25, 2017

Serial Number 276741 was reported as accurate.

Anonymous · September 19, 2016

Serial Number 276998 was reported as accurate.

Anonymous · September 6, 2016

Serial Number 276998 was reported as accurate.

place168 7 · June 6, 2016

Serial Number 276998 was reported as accurate.

Anonymous · February 22, 2016

Serial Number 276397 was reported as accurate.

Anonymous · December 26, 2014

Serial Number 276451 was reported as accurate.

Anonymous · March 1, 2014

Serial Number 276868 was reported as accurate.

Anonymous · August 17, 2012

Serial Number 276751 was reported as accurate.

Hamilton Grade 940 Pocket Watch Movement
Hamilton Grade 940 Pocket Watch Movement