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

Some Marked "940 Special" and Gold-Flashed

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 512114
Grade: 940
Model: 1
To Finishing Dept: Jun 8, 1906
Run Quantity: 5,300
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
Dial Feet Locations: 2.6, 18.0, 38.2
U.S. Patents: 832672, 427072
Data Research: 1953 Hamilton Serial List

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

Data Verification Reports

511701
Verification Serial Map
517000

Anonymous · September 25, 2020

Serial Number 514288 was reported as accurate.

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

Anonymous · July 20, 2020

Serial Number 516695 was reported as accurate.

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

Anonymous · July 10, 2020

Serial Number 512120 was reported as accurate.

Anonymous · June 9, 2020

Serial Number 516866 was reported as accurate.

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

Anonymous · April 18, 2020

Serial Number 512877 was reported as accurate.

Anonymous · March 19, 2020

Serial Number 515657 was reported as accurate.

Anonymous · March 3, 2020

Serial Number 514288 was reported as accurate.

Anonymous · February 29, 2020

Serial Number 514285 was reported as accurate.

pgriff 5 · February 14, 2020

Serial Number 514636 was reported as accurate.

pgriff 5 · February 14, 2020

Serial Number 514636 was reported as accurate.

Anonymous · January 24, 2020

Serial Number 516425 was reported as inaccurate.

Note: TWO TONE.

Anonymous · December 23, 2019

Serial Number 514636 was reported as accurate.

Anonymous · September 23, 2019

Serial Number 514096 was reported as accurate.

Anonymous · August 11, 2019

Serial Number 514288 was reported as accurate.

Anonymous · July 20, 2019

Serial Number 514262 was reported as accurate.

Anonymous · June 5, 2019

Serial Number 514288 was reported as accurate.

Anonymous · May 27, 2019

Serial Number 514288 was reported as accurate.

Anonymous · May 27, 2019

Serial Number 513190 was reported as accurate.

Anonymous · April 8, 2019

Serial Number 511778 was reported as accurate.

Anonymous · March 16, 2019

Serial Number 514493 was reported as accurate.

czechmauseritis 43 · January 7, 2019

Serial Number 513170 was reported as accurate.

v3ngence 32 · November 24, 2018

Serial Number 514266 was reported as accurate.

Anonymous · October 25, 2018

Serial Number 515184 was reported as accurate.

nostunk 15 · September 19, 2018

Serial Number 516377 was reported as accurate.

Anonymous · September 14, 2018

Serial Number 514938 was reported as accurate.

Anonymous · July 22, 2018

Serial Number 511911 was reported as accurate.

Anonymous · April 21, 2018

Serial Number 513657 was reported as accurate.

Anonymous · April 18, 2018

Serial Number 512083 was reported as accurate.

jcammaro 62 · March 31, 2018

Serial Number 512083 was reported as accurate.

jcammaro 62 · March 30, 2018

Serial Number 512083 was reported as accurate.

Anonymous · October 25, 2017

Serial Number 513338 was reported as accurate.

Anonymous · October 22, 2017

Serial Number 513951 was reported as accurate.

Anonymous · October 16, 2017

Serial Number 513951 was reported as accurate.

cgell57749 14 · October 16, 2017

Serial Number 513677 was reported as accurate.

cgell57749 14 · October 8, 2017

Serial Number 513677 was reported as accurate.

Anonymous · October 4, 2017

Serial Number 514728 was reported as accurate.

Anonymous · August 11, 2017

Serial Number 516953 was reported as accurate.

Anonymous · July 31, 2017

Serial Number 516078 was reported as accurate.

jimnelson915 60 · June 10, 2017

Serial Number 513999 was reported as accurate.

Hogits 11 · May 12, 2017

Serial Number 515297 was reported as accurate.

Anonymous · May 12, 2017

Serial Number 515297 was reported as accurate.

Anonymous · April 29, 2017

Serial Number 516443 was reported as accurate.

Anonymous · March 13, 2017

Serial Number 512598 was reported as accurate.

Anonymous · February 18, 2017

Serial Number 512645 was reported as accurate.

Anonymous · February 18, 2017

Serial Number 512645 was reported as accurate.

Anonymous · February 6, 2017

Serial Number 512978 was reported as accurate.

Anonymous · January 19, 2017

Serial Number 516599 was reported as accurate.

Anonymous · January 8, 2017

Serial Number 512436 was reported as accurate.

nightstalker638 40 · November 28, 2016

Serial Number 514413 was reported as accurate.

Anonymous · November 26, 2016

Serial Number 514413 was reported as accurate.

Anonymous · November 9, 2016

Serial Number 514429 was reported as accurate.

Anonymous · August 4, 2016

Serial Number 513914 was reported as accurate.

Anonymous · June 22, 2016

Serial Number 516348 was reported as accurate.

Anonymous · May 22, 2016

Serial Number 514429 was reported as accurate.

sanjosetom 301 · February 26, 2016

Serial Number 511764 was reported as accurate.

Anonymous · January 2, 2016

Serial Number 515680 was reported as accurate.

Anonymous · November 10, 2015

Serial Number 513447 was reported as accurate.

Anonymous · October 21, 2015

Serial Number 514569 was reported as accurate.

Anonymous · August 29, 2015

Serial Number 516425 was reported as inaccurate.

Note: Accurate insofar as you go, but movement is
two-tone with gold-plated screws and gold trim.

usnpt109 22 · August 18, 2015

Serial Number 513037 was reported as inaccurate.

Note: Duel Time Zone Hands Yes

Anonymous · July 28, 2015

Serial Number 511990 was reported as accurate.

Anonymous · July 26, 2015

Serial Number 516425 was reported as accurate.

Anonymous · May 6, 2015

Serial Number 514591 was reported as accurate.

Anonymous · February 26, 2015

Serial Number 512379 was reported as accurate.

Anonymous · January 29, 2015

Serial Number 513015 was reported as accurate.

Anonymous · September 17, 2014

Serial Number 515075 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · September 14, 2014

Serial Number 515264 was reported as accurate.

Anonymous · September 11, 2014

Serial Number 513359 was reported as accurate.

Anonymous · August 21, 2014

Serial Number 512791 was reported as accurate.

Anonymous · August 19, 2014

Serial Number 514051 was reported as accurate.

Anonymous · August 2, 2014

Serial Number 511882 was reported as accurate.

Anonymous · April 11, 2014

Serial Number 513948 was reported as accurate.

Anonymous · March 24, 2014

Serial Number 513302 was reported as accurate.

Anonymous · March 17, 2014

Serial Number 515446 was reported as accurate.

jdeck5 1 · January 28, 2014

Serial Number 516233 was reported as inaccurate.

No further details were submitted with the report.

RMoses1158 39 · January 11, 2014

Serial Number 516446 was reported as accurate.

RMoses1158 39 · January 11, 2014

Serial Number 516446 was reported as accurate.

Anonymous · December 28, 2013

Serial Number 515798 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · December 2, 2013

Serial Number 516216 was reported as accurate.

Bobbishellpin 1 · October 15, 2013

Serial Number 512223 was reported as accurate.

Anonymous · September 24, 2013

Serial Number 516216 was reported as accurate.

Anonymous · September 8, 2013

Serial Number 515990 was reported as accurate.

Anonymous · July 29, 2013

Serial Number 512390 was reported as accurate.

Anonymous · June 12, 2013

Serial Number 514921 was reported as accurate.

Anonymous · January 24, 2013

Serial Number 512916 was reported as accurate.

Anonymous · September 24, 2012

Serial Number 512980 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · July 15, 2012

Serial Number 513203 was reported as accurate.

Anonymous · June 2, 2012

Serial Number 511941 was reported as accurate.

Anonymous · May 3, 2012

Serial Number 516112 was reported as accurate.

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