Hamilton Pocket Watch: Serial Number 663187 (Grade 940)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/hamilton/663187

Access Date: January 29, 2023

From the American Horology Archive:

Hamilton Watch Co.

Grade: 940

Manufacturer:	Hamilton
Manufacturer Location:	Lancaster, Pennsylvania
Movement Serial Number:	663187
Grade:	940
Model:	1
Estimated Production Year:	1910
Run Quantity:	2,000
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:	42 (2.10%)
Database Version:	v49.712
Research Note: #663058 Reported as Marked "For Special RR Service"

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
1		662015	#15	Marketplace	May 24, 2017
2	Image Credit: Dave895	662061	#61	Collection	July 23, 2021
3		662145	#145	Marketplace	December 10, 2013
4		662149	#149	Marketplace	March 30, 2016
5		662179	#179	Marketplace	November 13, 2014
6		662206	#206	Marketplace	January 10, 2016
7		662351	#351	Marketplace	February 12, 2019
8	Image Credit: Yellowtail420	662374	#374	Collection	February 28, 2022
9		662392	#392	Collection	October 16, 2014
10		662486	#486	Inferred
11	Image Credit: tsullivan	662528	#528	Collection	April 30, 2016
12		662566	#566	Marketplace	December 28, 2013
13		662617	#617	Marketplace	July 28, 2019
14		662631	#631	Collection	August 06, 2014
15		662634	#634	Collection	March 08, 2022
16		662665	#665	Marketplace	August 26, 2018
17		662681	#681	Marketplace	October 21, 2013
18		662683	#683	Marketplace	January 01, 2016
19	Image Credit: Yellowtail420	662686	#686	Collection	February 28, 2022
20		662788	#788	Collection	August 29, 2017
21		662800	#800	Collection	May 22, 2022
22		662881	#881	Marketplace	July 13, 2020
23		662898	#898	Marketplace	May 01, 2022
24		663009	#1009	Marketplace	December 03, 2021
25		663010	#1010	Marketplace	March 18, 2013
26		663047	#1047	Inferred
27		663069	#1069	Marketplace	October 01, 2014
28		663081	#1081	Marketplace	March 18, 2016
29	Image Credit: Huggs3	663098	#1098	Collection	June 03, 2022
30		663132	#1132	Marketplace	August 28, 2013
31	Image Credit: nightstalker638	663187	#1187	Collection	June 28, 2017
32		663261	#1261	Marketplace	November 30, 2019
33		663335	#1335	Marketplace	August 27, 2018
34		663342	#1342	Marketplace	March 10, 2019
35		663443	#1443	Marketplace	January 28, 2021
36		663472	#1472	Inferred
37	Image Credit: sdyeti	663670	#1670	Collection	January 04, 2018
38		663748	#1748	Marketplace	September 13, 2020
39		663850	#1850	Collection	July 31, 2014
40		663891	#1891	Marketplace	June 13, 2019
41		663912	#1912	Collection	September 02, 2014
42		663968	#1968	Marketplace	March 30, 2014
Standard Deviation of Known Examples: 543.31 (Expected: 577.49, Δ34.19/1.71%)

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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.