Hamilton Pocket Watch: Serial Number 666338 (Grade 940)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/hamilton/666338

Access Date: January 29, 2023

From the American Horology Archive:

Hamilton Watch Co.

Grade: 940

Manufacturer:	Hamilton
Manufacturer Location:	Lancaster, Pennsylvania
Movement Serial Number:	666338
Grade:	940
Model:	1
Estimated Production Year:	1910
Run Quantity:	1,000
Grade/Model 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
Registry Population:	14 (1.40%)
Database Version:	v49.712

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
1		666257	#257	Marketplace	February 16, 2020
2		666271	#271	Marketplace	November 23, 2017
3	Image Credit: Scuba75	666338	#338	Collection	September 29, 2019
4		666340	#340	Marketplace	December 16, 2015
5		666347	#347	Marketplace	June 25, 2022
6		666411	#411	Collection	October 22, 2022
7		666449	#449	Inferred
8		666480	#480	Inferred
9		666521	#521	Marketplace	June 27, 2017
10		666532	#532	Marketplace	June 03, 2016
11		666542	#542	Marketplace	November 07, 2016
12		666575	#575	Marketplace	March 17, 2013
13		666847	#847	Marketplace	March 12, 2017
14		666933	#933	Marketplace	November 15, 2014
Standard Deviation of Known Examples: 198.58 (Expected: 288.82, Δ90.24/9.02%)

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Verification Reports for this Run

The following reports have been graciously submitted by dedicated members in reference to this production run. These reports are useful to verify data and track inaccuracies that require further research. Please note that reports may contain inaccurate information or assumptions that must be dilligently considered with other available sources.

Anonymous · November 4, 2022

Serial Number 666076 was reported as accurate.

Anonymous · February 15, 2022

Serial Number 666342 was reported as accurate.

Anonymous · May 25, 2021

Serial Number 666945 was reported as accurate.

Anonymous · February 15, 2020

Serial Number 666257 was reported as accurate.

Anonymous · December 18, 2019

Serial Number 666683 was reported as accurate.

Anonymous · October 5, 2019

Serial Number 666127 was reported as accurate.

Anonymous · July 23, 2019

Serial Number 666504 was reported as accurate.

Anonymous · March 29, 2019

Serial Number 666502 was reported as accurate.

Anonymous · October 13, 2018

Serial Number 666175 was reported as accurate.

Gimparoo Supporter 703 · September 30, 2018

Serial Number 666175 was reported as accurate.

Anonymous · April 13, 2018

Serial Number 666095 was reported as accurate.

Anonymous · December 30, 2017

Serial Number 666069 was reported as accurate.

Anonymous · October 5, 2017

Serial Number 666619 was reported as accurate.

Anonymous · August 16, 2017

Serial Number 666480 was reported as accurate.

spunkeanie 6 · March 25, 2017

Serial Number 666823 was reported as accurate.

Anonymous · March 25, 2017

Serial Number 666823 was reported as accurate.