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: 206508
Grade: 940
Model: 1
Estimated Production Year: 1902
Run Quantity: 1,000
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
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
Database Version: v47.470

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Data Verification Reports

206001
Verification Serial Map
207000

Anonymous · October 26, 2020

Serial Number 206184 was reported as accurate.

Anonymous · October 14, 2020

Serial Number 206275 was reported as accurate.

Anonymous · May 25, 2020

Serial Number 206272 was reported as accurate.

olsilverfox 2 · May 5, 2020

Serial Number 206420 was reported as accurate.

DocDoo 2 · February 9, 2020

Serial Number 206080 was reported as accurate.

Anonymous · February 9, 2020

Serial Number 206250 was reported as accurate.

Anonymous · February 9, 2020

Serial Number 206250 was reported as accurate.

Anonymous · September 5, 2019

Serial Number 206420 was reported as accurate.

Anonymous · June 4, 2019

Serial Number 206015 was reported as accurate.

Anonymous · December 4, 2018

Serial Number 206540 was reported as accurate.

Gimparoo Supporter 699 · June 7, 2018

Serial Number 206019 was reported as accurate.

rock862 242 · October 30, 2016

Serial Number 206164 was reported as accurate.

Anonymous · February 5, 2016

Serial Number 206567 was reported as accurate.

Anonymous · January 5, 2016

Serial Number 206824 was reported as accurate.

rRp620 1 · December 9, 2015

Serial Number 206407 was reported as accurate.

Anonymous · December 25, 2014

Serial Number 206782 was reported as accurate.

windupthings 24 · October 13, 2014

Serial Number 206335 was reported as accurate.

Anonymous · June 30, 2014

Serial Number 206747 was reported as accurate.

Anonymous · February 20, 2014

Serial Number 206191 was reported as accurate.

Anonymous · August 20, 2013

Serial Number 206701 was reported as accurate.

Anonymous · August 17, 2013

Serial Number 206255 was reported as inaccurate.

Note: MOVEMENT-full plate nickel and gilt two-tone
pattern. My watch.

Anonymous · June 30, 2013

Serial Number 206352 was reported as accurate.

Anonymous · March 12, 2013

Serial Number 206567 was reported as accurate.

Anonymous · January 12, 2013

Serial Number 206991 was reported as accurate.

Anonymous · November 27, 2012

Serial Number 206609 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Plate changed from Unknown to Full
Hamilton Grade 940 Pocket Watch Movement
Hamilton Grade 940 Pocket Watch Movement