Hamilton Pocket Watch: Serial Number 919833 (Grade 940)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/hamilton/919833

Access Date: June 27, 2022

From the American Horology Archive:

Hamilton Grade 940 Pocket Watch Movement

Hamilton Watch Co.

Grade: 940

Manufacturer:	Hamilton
Manufacturer Location:	Lancaster, Pennsylvania
Movement Serial Number:	919833
Grade:	940
Model:	1
Estimated Production Year:	1911
Run Quantity:	2,000
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
Railroad Grade Classification:	Class A
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
Database Version:	v48.130

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Data Verification Reports

919001

Verification Serial Map

921000

Anonymous · December 12, 2021

Serial Number 920994 was reported as inaccurate.

Note: This one is gold flashed.

Anonymous · November 7, 2021

Serial Number 919285 was reported as accurate.

avpalermo Supporter 406 · July 2, 2021

Serial Number 919720 was reported as accurate.

dcooper Supporter 173 · March 31, 2021

Serial Number 919994 was reported as accurate.

heicke 6 · January 20, 2021

Serial Number 920172 was reported as accurate.

Anonymous · October 21, 2020

Serial Number 920771 was reported as accurate.

Anonymous · June 9, 2020

Serial Number 919137 was reported as accurate.

Anonymous · June 4, 2020

Serial Number 919282 was reported as accurate.

Anonymous · April 17, 2020

Serial Number 919371 was reported as accurate.

pocketwatch101 111 · April 1, 2020

Serial Number 920946 was reported as accurate.

Ozzie65 2 · February 3, 2020

Serial Number 919279 was reported as accurate.

Anonymous · February 1, 2020

Serial Number 919371 was reported as accurate.

Anonymous · December 21, 2019

Serial Number 919898 was reported as accurate.

Anonymous · August 15, 2019

Serial Number 920079 was reported as accurate.

Anonymous · March 23, 2019

Serial Number 920179 was reported as accurate.

Jc0925 1 · March 3, 2019

Serial Number 919226 was reported as accurate.

Mobilaero Top Contributor Supporter 265 · September 15, 2018

Serial Number 919833 was reported as accurate.

Anonymous · September 2, 2018

Serial Number 919708 was reported as accurate.

von1943 361 · May 27, 2018

Serial Number 919743 was reported as accurate.

von1943 361 · May 27, 2018

Serial Number 919743 was reported as accurate.

Anonymous · March 13, 2018

Serial Number 920379 was reported as accurate.

dcooper Supporter 173 · January 14, 2018

Serial Number 919543 was reported as accurate.

Anonymous · September 18, 2017

Serial Number 920946 was reported as accurate.

Anonymous · May 12, 2017

Serial Number 919543 was reported as accurate.

Anonymous · November 14, 2016

Serial Number 920666 was reported as accurate.