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: 989835
Grade: 940
Model: 1
To Finishing Dept: Mar 31, 1914
Run Quantity: 4,000
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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Does this information describe your movement accurately?

Data Verification Reports

988001
Verification Serial Map
992000

Anonymous · July 24, 2020

Serial Number 991395 was reported as accurate.

Anonymous · June 16, 2020

Serial Number 989786 was reported as accurate.

Anonymous · February 7, 2020

Serial Number 988640 was reported as accurate.

Anonymous · February 3, 2020

Serial Number 991760 was reported as accurate.

Anonymous · January 24, 2020

Serial Number 989771 was reported as accurate.

Anonymous · January 19, 2020

Serial Number 989134 was reported as accurate.

10mikemikes 11 · September 30, 2019

Serial Number 988640 was reported as accurate.

Anonymous · April 7, 2019

Serial Number 991321 was reported as accurate.

Anonymous · March 3, 2019

Serial Number 988486 was reported as inaccurate.

Note: 988486 is serial number. It's a 946 grade with 23
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 · January 29, 2019

Serial Number 990150 was reported as accurate.

Anonymous · January 24, 2019

Serial Number 989326 was reported as accurate.

Anonymous · December 3, 2018

Serial Number 988607 was reported as accurate.

Danno4367 1 · November 13, 2018

Serial Number 988910 was reported as accurate.

cmdraven 2823 · June 20, 2018

Serial Number 991528 was reported as accurate.

Anonymous · May 19, 2018

Serial Number 991276 was reported as accurate.

4mula1fan 48 · May 6, 2018

Serial Number 989430 was reported as accurate.

Anonymous · February 3, 2018

Serial Number 988221 was reported as accurate.

Anonymous · November 13, 2017

Serial Number 989779 was reported as accurate.

Anonymous · September 20, 2017

Serial Number 990528 was reported as accurate.

Anonymous · July 10, 2017

Serial Number 991369 was reported as accurate.

Anonymous · June 3, 2017

Serial Number 991047 was reported as accurate.

Anonymous · May 9, 2017

Serial Number 991047 was reported as accurate.

locorman 1 · April 1, 2017

Serial Number 991036 was reported as accurate.

Anonymous · April 1, 2017

Serial Number 991036 was reported as accurate.

Anonymous · March 20, 2017

Serial Number 989900 was reported as accurate.

Anonymous · February 10, 2017

Serial Number 991778 was reported as accurate.

Anonymous · January 6, 2017

Serial Number 989544 was reported as accurate.

Anonymous · December 30, 2016

Serial Number 988660 was reported as accurate.

Anonymous · December 7, 2016

Serial Number 990528 was reported as accurate.

Anonymous · November 27, 2016

Serial Number 989264 was reported as accurate.

Skininski 4 · July 7, 2016

Serial Number 989835 was reported as accurate.

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

IsochronicFrost 46 · June 26, 2016

Serial Number 988842 was reported as accurate.

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

Skininski 4 · April 6, 2016

Serial Number 989835 was reported as accurate.

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

Anonymous · February 12, 2016

Serial Number 990970 was reported as accurate.

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

Anonymous · January 12, 2016

Serial Number 989826 was reported as accurate.

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

Anonymous · December 30, 2015

Serial Number 990089 was reported as accurate.

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

Gimparoo 694 · November 27, 2015

Serial Number 990957 was reported as accurate.

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

Miguel 47 · October 13, 2015

Serial Number 988648 was reported as accurate.

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

Anonymous · October 10, 2015

Serial Number 990877 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 · August 13, 2015

Serial Number 989090 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 1, 2015

Serial Number 988084 was reported as accurate.

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

Anonymous · May 7, 2015

Serial Number 988594 was reported as accurate.

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

von1943 357 · December 23, 2014

Serial Number 991543 was reported as accurate.

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

von1943 357 · December 22, 2014

Serial Number 991543 was reported as accurate.

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

von1943 357 · December 22, 2014

Serial Number 991543 was reported as accurate.

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

Anonymous · November 25, 2014

Serial Number 989395 was reported as accurate.

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

Anonymous · October 24, 2014

Serial Number 990563 was reported as accurate.

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

Anonymous · October 17, 2014

Serial Number 991370 was reported as accurate.

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

evelyndk 26 · July 11, 2014

Serial Number 991541 was reported as accurate.

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

Anonymous · July 2, 2014

Serial Number 991401 was reported as accurate.

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

Anonymous · June 30, 2014

Serial Number 990238 was reported as accurate.

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

Anonymous · June 12, 2014

Serial Number 989505 was reported as accurate.

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

Anonymous · March 11, 2014

Serial Number 990179 was reported as accurate.

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

Anonymous · December 2, 2013

Serial Number 990270 was reported as accurate.

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

Anonymous · July 14, 2013

Serial Number 990962 was reported as accurate.

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

Anonymous · July 14, 2013

Serial Number 990962 was reported as accurate.

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

Anonymous · June 27, 2013

Serial Number 990163 was reported as accurate.

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

Anonymous · June 27, 2013

Serial Number 990163 was reported as accurate.

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

Anonymous · June 27, 2013

Serial Number 990163 was reported as accurate.

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

Anonymous · June 27, 2013

Serial Number 990163 was reported as accurate.

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

Anonymous · May 1, 2013

Serial Number 991731 was reported as accurate.

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

Anonymous · May 1, 2013

Serial Number 991731 was reported as accurate.

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

Anonymous · April 30, 2013

Serial Number 991731 was reported as accurate.

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

Anonymous · March 31, 2013

Serial Number 990011 was reported as accurate.

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

Anonymous · January 26, 2013

Serial Number 988311 was reported as accurate.

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

Anonymous · October 20, 2012

Serial Number 990206 was reported as accurate.

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

Anonymous · September 17, 2012

Serial Number 988522 was reported as inaccurate.

Note: Full plate, two-tone checkered damaskeening
Changes since this report was submitted:
Double Roller changed from No to Yes
Plate changed from Unknown to Full

Anonymous · July 6, 2012

Serial Number 990750 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