Pocket Watch Database

From the American Horology Archive:
Hamilton Grade 940 Pocket Watch
Hamilton Grade 940 Pocket Watch

Hamilton Watch Co.

Grade: 940

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 621204
Grade: 940
Model: 1
Estimated Production Year: 1909
Run Quantity: 2,700
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
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
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
Case: Various
Database Version: v48.443

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

Data Verification Reports

620001
Verification Serial Map
622700

Anonymous · June 21, 2020

Serial Number 620319 was reported as accurate.

Anonymous · June 17, 2020

Serial Number 620117 was reported as accurate.

Anonymous · May 18, 2019

Serial Number 622142 was reported as accurate.

Anonymous · May 2, 2019

Serial Number 620554 was reported as accurate.

Anonymous · November 6, 2018

Serial Number 620951 was reported as accurate.

Anonymous · November 5, 2018

Serial Number 620219 was reported as accurate.

Anonymous · March 25, 2018

Serial Number 621671 was reported as accurate.

DoodleBug 36 · November 2, 2017

Serial Number 622666 was reported as accurate.

Alellisande 1 · October 9, 2017

Serial Number 620694 was reported as accurate.

Anonymous · October 9, 2017

Serial Number 620694 was reported as accurate.

Anonymous · January 6, 2017

Serial Number 621155 was reported as accurate.

tysonni Supporter 57 · June 3, 2016

Serial Number 622253 was reported as accurate.

Anonymous · March 31, 2016

Serial Number 620842 was reported as accurate.

Anonymous · February 7, 2016

Serial Number 621442 was reported as accurate.

Anonymous · December 5, 2015

Serial Number 620025 was reported as accurate.

ticker32 Supporter 75 · November 1, 2015

Serial Number 621202 was reported as accurate.

Anonymous · September 10, 2015

Serial Number 621236 was reported as inaccurate.

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

Anonymous · August 19, 2015

Serial Number 621236 was reported as accurate.

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

jjea99 19 · January 10, 2015

Serial Number 620286 was reported as accurate.

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

Dondon 13 · December 31, 2014

Serial Number 622083 was reported as accurate.

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

Anonymous · October 8, 2014

Serial Number 621236 was reported as accurate.

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

Gimparoo Supporter 703 · April 8, 2014

Serial Number 621802 was reported as accurate.

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

Anonymous · February 12, 2014

Serial Number 620466 was reported as accurate.

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

Anonymous · December 4, 2013

Serial Number 621989 was reported as accurate.

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

Anonymous · October 24, 2013

Serial Number 620469 was reported as accurate.

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

Anonymous · August 27, 2013

Serial Number 621705 was reported as accurate.

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

Anonymous · August 5, 2013

Serial Number 621126 was reported as accurate.

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

Anonymous · July 17, 2013

Serial Number 621109 was reported as accurate.

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

Anonymous · July 15, 2013

Serial Number 621705 was reported as accurate.

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

rickenix 4 · July 14, 2013

Serial Number 622093 was reported as accurate.

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

Anonymous · January 22, 2013

Serial Number 621147 was reported as accurate.

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

Anonymous · January 20, 2013

Serial Number 621911 was reported as accurate.

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

Anonymous · December 31, 2012

Serial Number 622408 was reported as accurate.

Anonymous · December 12, 2012

Serial Number 621257 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · October 28, 2012

Serial Number 620366 was reported as accurate.

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

Anonymous · September 7, 2012

Serial Number 620531 was reported as accurate.

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

Anonymous · September 5, 2012

Serial Number 620531 was reported as accurate.

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

Anonymous · August 26, 2012

Serial Number 621151 was reported as accurate.

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

Anonymous · June 14, 2012

Serial Number 621955 was reported as accurate.

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