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: 499249
Grade: 940
Model: 1
Estimated Production Year: 1906
Run Quantity: 2,000
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: v46.977

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Data Verification Reports

499001
Verification Serial Map
501000

Anonymous · December 25, 2019

Serial Number 499910 was reported as accurate.

Anonymous · November 20, 2019

Serial Number 500726 was reported as accurate.

Anonymous · October 24, 2019

Serial Number 499481 was reported as accurate.

Anonymous · February 15, 2019

Serial Number 499222 was reported as accurate.

Anonymous · December 26, 2018

Serial Number 500283 was reported as accurate.

Anonymous · December 25, 2018

Serial Number 499563 was reported as accurate.

Anonymous · December 13, 2018

Serial Number 500238 was reported as accurate.

Anonymous · September 11, 2017

Serial Number 499240 was reported as accurate.

Anonymous · May 24, 2017

Serial Number 500823 was reported as accurate.

Anonymous · February 5, 2017

Serial Number 499775 was reported as accurate.

Anonymous · January 20, 2017

Serial Number 500292 was reported as accurate.

genobear 1 · December 28, 2016

Serial Number 500362 was reported as accurate.

Anonymous · August 5, 2016

Serial Number 500473 was reported as accurate.

bwalder 137 · January 15, 2016

Serial Number 499151 was reported as accurate.

Anonymous · November 20, 2015

Serial Number 500383 was reported as accurate.

baileyismyworld 2 · November 4, 2015

Serial Number 500485 was reported as accurate.

Anonymous · September 13, 2015

Serial Number 500659 was reported as accurate.

Anonymous · August 9, 2015

Serial Number 500200 was reported as accurate.

watchman4831 193 · August 21, 2014

Serial Number 499891 was reported as accurate.

Anonymous · November 11, 2013

Serial Number 500888 was reported as accurate.

Anonymous · October 31, 2013

Serial Number 500982 was reported as accurate.

Anonymous · August 8, 2013

Serial Number 499279 was reported as accurate.

Anonymous · May 5, 2013

Serial Number 500764 was reported as accurate.

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