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: 176781
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: v48.134

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Data Verification Reports

176001
Verification Serial Map
177000

Anonymous · July 27, 2021

Serial Number 176394 was reported as accurate.

Anonymous · July 20, 2021

Serial Number 176394 was reported as accurate.

Anonymous · July 19, 2021

Serial Number 176394 was reported as accurate.

Anonymous · March 3, 2020

Serial Number 176325 was reported as accurate.

Anonymous · January 24, 2020

Serial Number 176048 was reported as accurate.

Anonymous · January 21, 2020

Serial Number 176048 was reported as accurate.

Anonymous · October 18, 2019

Serial Number 176170 was reported as accurate.

Anonymous · July 12, 2018

Serial Number 176164 was reported as accurate.

Anonymous · July 12, 2018

Serial Number 176164 was reported as accurate.

Anonymous · December 3, 2017

Serial Number 176413 was reported as accurate.

jayjiang0830 47 · November 22, 2017

Serial Number 176413 was reported as accurate.

jabeaver 3 · December 9, 2016

Serial Number 176131 was reported as accurate.

Anonymous · October 20, 2016

Serial Number 176716 was reported as accurate.

Anonymous · January 31, 2016

Serial Number 176096 was reported as accurate.

Anonymous · August 19, 2015

Serial Number 176582 was reported as accurate.

Anonymous · July 19, 2015

Serial Number 176588 was reported as accurate.

Anonymous · April 11, 2015

Serial Number 176172 was reported as inaccurate.

Note: finish pattern is none, mirror smooth. movement is
signed 17 jewels

Anonymous · September 23, 2014

Serial Number 176997 was reported as accurate.

Anonymous · August 28, 2014

Serial Number 176398 was reported as accurate.

Anonymous · August 25, 2014

Serial Number 176706 was reported as accurate.

Anonymous · May 11, 2014

Serial Number 176567 was reported as accurate.

Anonymous · May 8, 2014

Serial Number 176567 was reported as accurate.

Anonymous · May 3, 2014

Serial Number 176567 was reported as accurate.

Anonymous · November 14, 2013

Serial Number 0176146 was reported as accurate.

Anonymous · November 14, 2013

Serial Number 0176146 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · October 28, 2013

Serial Number 176744 was reported as accurate.

Anonymous · August 8, 2013

Serial Number 176755 was reported as accurate.

Anonymous · March 3, 2013

Serial Number 176970 was reported as accurate.

Anonymous · July 17, 2012

Serial Number 176347 was reported as accurate.

Anonymous · July 8, 2012

Serial Number 176476 was reported as accurate.

Anonymous · July 1, 2012

Serial Number 176347 was reported as accurate.

Anonymous · July 1, 2012

Serial Number 176347 was reported as accurate.

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