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: 911683
Grade: 940
Model: 1
Estimated Production Year: 1911
Run Quantity: 8,000
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 Signing Style: Serif (Decorative)
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
Movement Markings: Hamilton Watch Co.
Lancaster, Pa.
Motor Barrel
940
Adjusted 5 Positions
21 Jewels
Double Roller
Safety Pinion
Data Research: 1953 Hamilton Serial List

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

Data Verification Reports

906001
Verification Serial Map
914000

Anonymous · May 31, 2021

Serial Number 909707 was reported as accurate.

Anonymous · April 21, 2021

Serial Number 907202 was reported as accurate.

Anonymous · April 21, 2021

Serial Number 907202 was reported as accurate.

Anonymous · April 20, 2021

Serial Number 906553 was reported as accurate.

Fifty50 257 · April 3, 2021

Serial Number 913943 was reported as accurate.

Anonymous · February 27, 2021

Serial Number 910378 was reported as accurate.

Anonymous · December 27, 2020

Serial Number 907404 was reported as inaccurate.

Note: This one is a RARE fish scale with all gold
trimmed movement grade 940.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

MoatsJustin1 1171 · November 28, 2020

Serial Number 910030 was reported as accurate.

Anonymous · November 21, 2020

Serial Number 907786 was reported as accurate.

Anonymous · November 9, 2020

Serial Number 907202 was reported as accurate.

Anonymous · October 11, 2020

Serial Number 911399 was reported as accurate.

Anonymous · July 9, 2020

Serial Number 907202 was reported as accurate.

Anonymous · July 2, 2020

Serial Number 907202 was reported as accurate.

Anonymous · June 29, 2020

Serial Number 908909 was reported as accurate.

Joef21 159 · June 16, 2020

Serial Number 912731 was reported as accurate.

Joef21 159 · June 16, 2020

Serial Number 912731 was reported as accurate.

Anonymous · June 10, 2020

Serial Number 908415 was reported as accurate.

Anonymous · May 14, 2020

Serial Number 907893 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · May 10, 2020

Serial Number 907202 was reported as accurate.

Anonymous · February 20, 2020

Serial Number 907202 was reported as accurate.

Anonymous · January 31, 2020

Serial Number 907793 was reported as accurate.

Anonymous · January 29, 2020

Serial Number 910786 was reported as accurate.

Anonymous · November 29, 2019

Serial Number 907964 was reported as accurate.

Anonymous · October 25, 2019

Serial Number 910205 was reported as accurate.

Anonymous · June 28, 2019

Serial Number 911415 was reported as inaccurate.

Note: 17 jewels
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · June 11, 2019

Serial Number 912581 was reported as accurate.

Anonymous · June 6, 2019

Serial Number 912229 was reported as accurate.

Anonymous · May 24, 2019

Serial Number 911358 was reported as accurate.

Anonymous · May 9, 2019

Serial Number 910494 was reported as accurate.

avpalermo 351 · February 15, 2019

Serial Number 907778 was reported as accurate.

Anonymous · January 24, 2019

Serial Number 911459 was reported as accurate.

Anonymous · December 21, 2018

Serial Number 909782 was reported as accurate.

diamondisk 4 · September 16, 2018

Serial Number 912991 was reported as accurate.

Anonymous · August 31, 2018

Serial Number 909782 was reported as accurate.

Anonymous · July 13, 2018

Serial Number 911489 was reported as accurate.

Anonymous · June 9, 2018

Serial Number 907020 was reported as accurate.

Anonymous · June 2, 2018

Serial Number 913102 was reported as accurate.

Anonymous · May 20, 2018

Serial Number 910481 was reported as accurate.

Anonymous · April 18, 2018

Serial Number 911377 was reported as accurate.

Anonymous · January 19, 2018

Serial Number 911633 was reported as accurate.

senorchisme 17 · December 18, 2017

Serial Number 908481 was reported as accurate.

Anonymous · October 23, 2017

Serial Number 907067 was reported as accurate.

von1943 357 · September 23, 2017

Serial Number 907067 was reported as accurate.

von1943 357 · September 23, 2017

Serial Number 907067 was reported as accurate.

Anonymous · August 16, 2017

Serial Number 906686 was reported as accurate.

Anonymous · June 18, 2017

Serial Number 913494 was reported as accurate.

Anonymous · May 23, 2017

Serial Number 906045 was reported as accurate.

Anonymous · May 5, 2017

Serial Number 913227 was reported as accurate.

towlyn 1 · May 2, 2017

Serial Number 909086 was reported as accurate.

pmtime 234 · April 4, 2017

Serial Number 908294 was reported as accurate.

dfchong 837 · March 26, 2017

Serial Number 910989 was reported as accurate.

Anonymous · March 20, 2017

Serial Number 911691 was reported as accurate.

Anonymous · February 4, 2017

Serial Number 908606 was reported as accurate.

Anonymous · January 3, 2017

Serial Number 913569 was reported as accurate.

Bemsmedic 2 · December 4, 2016

Serial Number 913686 was reported as accurate.

Anonymous · October 23, 2016

Serial Number 908481 was reported as accurate.

Anonymous · October 2, 2016

Serial Number 913519 was reported as accurate.

towlyn 1 · August 29, 2016

Serial Number 909086 was reported as accurate.

Anonymous · July 13, 2016

Serial Number 908453 was reported as accurate.

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

Anonymous · June 20, 2016

Serial Number 913671 was reported as accurate.

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

Anonymous · May 22, 2016

Serial Number 912320 was reported as accurate.

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

Anonymous · May 20, 2016

Serial Number 908646 was reported as accurate.

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

Anonymous · May 16, 2016

Serial Number 908080 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 · April 18, 2016

Serial Number 910682 was reported as accurate.

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

Anonymous · April 18, 2016

Serial Number 910682 was reported as accurate.

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

Anonymous · April 11, 2016

Serial Number 910662 was reported as accurate.

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

bwalder 137 · February 21, 2016

Serial Number 908387 was reported as accurate.

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

Freakarm73 1 · December 18, 2015

Serial Number 908162 was reported as accurate.

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

Anonymous · December 18, 2015

Serial Number 908162 was reported as accurate.

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

Anonymous · November 15, 2015

Serial Number 910801 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 · July 9, 2015

Serial Number 908173 was reported as accurate.

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

Anonymous · June 16, 2015

Serial Number 906527 was reported as accurate.

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

Anonymous · June 13, 2015

Serial Number 908173 was reported as accurate.

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

Gasperoff 727 · April 19, 2015

Serial Number 909508 was reported as accurate.

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

Anonymous · April 8, 2015

Serial Number 908480 was reported as accurate.

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

Anonymous · February 19, 2015

Serial Number 907920 was reported as accurate.

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

Hobbyking 3 · February 18, 2015

Serial Number 912174 was reported as accurate.

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

Gasperoff 727 · February 11, 2015

Serial Number 909508 was reported as accurate.

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

Anonymous · February 9, 2015

Serial Number 913686 was reported as accurate.

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

Anonymous · January 19, 2015

Serial Number 913660 was reported as accurate.

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

Anonymous · December 31, 2014

Serial Number 909508 was reported as accurate.

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

Anonymous · November 21, 2014

Serial Number 909508 was reported as accurate.

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

Anonymous · November 3, 2014

Serial Number 913715 was reported as accurate.

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

Anonymous · November 1, 2014

Serial Number 913715 was reported as accurate.

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

Anonymous · November 1, 2014

Serial Number 910673 was reported as accurate.

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

Anonymous · October 14, 2014

Serial Number 910187 was reported as accurate.

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

Anonymous · August 14, 2014

Serial Number 906343 was reported as accurate.

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

Anonymous · August 1, 2014

Serial Number 908209 was reported as accurate.

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

Anonymous · July 27, 2014

Serial Number 908218 was reported as accurate.

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

Anonymous · July 20, 2014

Serial Number 906528 was reported as accurate.

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

Anonymous · July 16, 2014

Serial Number 906080 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 · June 11, 2014

Serial Number 911639 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 · March 31, 2014

Serial Number 906749 was reported as accurate.

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

Anonymous · March 13, 2014

Serial Number 912201 was reported as accurate.

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

Anonymous · February 11, 2014

Serial Number 906343 was reported as accurate.

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

rocco6111 7 · February 11, 2014

Serial Number 910032 was reported as accurate.

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

Anonymous · February 6, 2014

Serial Number 908911 was reported as accurate.

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

Anonymous · February 2, 2014

Serial Number 908506 was reported as accurate.

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

Anonymous · February 2, 2014

Serial Number 906343 was reported as accurate.

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

Anonymous · February 2, 2014

Serial Number 906343 was reported as accurate.

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

Clockump 2 · January 31, 2014

Serial Number 909222 was reported as accurate.

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

crinjn2001 1 · December 18, 2013

Serial Number 910144 was reported as accurate.

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

Anonymous · December 18, 2013

Serial Number 910144 was reported as accurate.

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

Timeswept2 92 · December 4, 2013

Serial Number 912354 was reported as accurate.

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

Anonymous · September 21, 2013

Serial Number 913196 was reported as accurate.

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

Anonymous · September 18, 2013

Serial Number 908335 was reported as accurate.

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

Anonymous · August 30, 2013

Serial Number 910308 was reported as accurate.

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

Joef21 159 · August 10, 2013

Serial Number 913020 was reported as accurate.

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

Anonymous · July 21, 2013

Serial Number 911934 was reported as accurate.

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

Anonymous · July 21, 2013

Serial Number 911934 was reported as accurate.

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

Anonymous · May 7, 2013

Serial Number 908848 was reported as accurate.

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

Anonymous · April 28, 2013

Serial Number 909973 was reported as accurate.

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

Anonymous · April 21, 2013

Serial Number 911530 was reported as accurate.

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

Anonymous · March 20, 2013

Serial Number 908053 was reported as accurate.

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

Anonymous · February 22, 2013

Serial Number 908727 was reported as accurate.

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

Anonymous · February 22, 2013

Serial Number 908727 was reported as accurate.

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

Anonymous · January 26, 2013

Serial Number 906641 was reported as accurate.

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

Anonymous · November 19, 2012

Serial Number 908060 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
Plate changed from Unknown to Full

Anonymous · November 5, 2012

Serial Number 911054 was reported as accurate.

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

Anonymous · August 5, 2012

Serial Number 911729 was reported as accurate.

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

Anonymous · July 14, 2012

Serial Number 909459 was reported as accurate.

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

Anonymous · April 17, 2012

Serial Number 908997 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