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: 977460
Grade: 940
Model: 1
Estimated Production Year: 1913
Run Quantity: 3,000
Total Production: 210,596
Size: 18s
Jewels: 21j
Jewel Material: Ruby
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: Damaskeened
Movement Inlay Color: Gilt
Movement Setting: Lever
Plate: Full Plate
Double Roller: Yes
Barrel: Motor
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

976001
Verification Serial Map
979000

Anonymous · June 20, 2020

Serial Number 978305 was reported as accurate.

Anonymous · March 10, 2020

Serial Number 977353 was reported as accurate.

ABUMALEK 67 · January 25, 2020

Serial Number 977332 was reported as accurate.

ABUMALEK 67 · January 22, 2020

Serial Number 977352 was reported as accurate.

ABUMALEK 67 · December 24, 2019

Serial Number 977332 was reported as accurate.

Anonymous · December 6, 2019

Serial Number 976598 was reported as accurate.

Anonymous · August 16, 2019

Serial Number 976398 was reported as accurate.

Anonymous · March 10, 2019

Serial Number 978578 was reported as accurate.

Happycamper 2 · December 20, 2018

Serial Number 977782 was reported as accurate.

Anonymous · September 14, 2018

Serial Number 976867 was reported as accurate.

rfktexas 1 · August 5, 2018

Serial Number 977180 was reported as accurate.

Anonymous · May 24, 2018

Serial Number 976698 was reported as accurate.

hommer 29 · November 22, 2017

Serial Number 977797 was reported as accurate.

Anonymous · October 29, 2017

Serial Number 977060 was reported as accurate.

Anonymous · August 13, 2017

Serial Number 976775 was reported as accurate.

Anonymous · July 7, 2017

Serial Number 977477 was reported as accurate.

Anonymous · January 2, 2017

Serial Number 978002 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · January 2, 2017

Serial Number 978002 was reported as accurate.

Anonymous · May 10, 2016

Serial Number 978583 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · April 13, 2016

Serial Number 978335 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · March 15, 2016

Serial Number 976465 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · February 24, 2016

Serial Number 976042 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

bwalder 137 · February 20, 2016

Serial Number 976987 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · May 28, 2015

Serial Number 977921 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · May 23, 2015

Serial Number 978793 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · September 20, 2014

Serial Number 976874 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · August 22, 2014

Serial Number 976775 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · July 20, 2014

Serial Number 976451 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

hommer 29 · June 12, 2014

Serial Number 977797 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · April 15, 2014

Serial Number 977147 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · March 27, 2014

Serial Number 976737 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · February 9, 2014

Serial Number 978002 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · January 20, 2014

Serial Number 977768 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · January 19, 2014

Serial Number 977768 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · December 2, 2013

Serial Number 976737 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · October 14, 2013

Serial Number 977866 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · July 27, 2013

Serial Number 0978315 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

tattooedarm 4 · July 17, 2013

Serial Number 976533 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · January 19, 2013

Serial Number 976585 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · December 25, 2012

Serial Number 976585 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · June 30, 2012

Serial Number 977064 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes
Hamilton Grade 940 Pocket Watch Movement
Hamilton Grade 940 Pocket Watch Movement