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: 226465
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
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: v48.039

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

Data Verification Reports

226001
Verification Serial Map
227000

Anonymous · January 26, 2022

Serial Number 226689 was reported as accurate.

Anonymous · August 24, 2021

Serial Number 226956 was reported as accurate.

Anonymous · November 24, 2020

Serial Number 226842 was reported as accurate.

Anonymous · January 26, 2020

Serial Number 226639 was reported as accurate.

panamaed 8 · November 25, 2019

Serial Number 226696 was reported as accurate.

Anonymous · November 23, 2019

Serial Number 226758 was reported as accurate.

Anonymous · June 2, 2019

Serial Number 226499 was reported as accurate.

Anonymous · December 21, 2018

Serial Number 226758 was reported as accurate.

Lebaron49 12 · January 25, 2017

Serial Number 226177 was reported as accurate.

Anonymous · June 29, 2015

Serial Number 226009 was reported as accurate.

Anonymous · June 8, 2015

Serial Number 226697 was reported as accurate.

Anonymous · September 18, 2014

Serial Number 226741 was reported as accurate.

charlie 1 · August 12, 2014

Serial Number 226249 was reported as accurate.

Anonymous · August 25, 2013

Serial Number 226811 was reported as accurate.

Anonymous · November 27, 2012

Serial Number 226836 was reported as accurate.

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