Hamilton Pocket Watch: Serial Number 1657107 (Grade 992)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/hamilton/1657107

Access Date: March 21, 2023

From the American Horology Archive:

Hamilton Watch Co.

Grade: 992

Manufacturer:	Hamilton
Manufacturer Location:	Lancaster, Pennsylvania
Movement Serial Number:	1657107
Grade:	992
Model:	2
Estimated Production Year:	1923
Run Quantity:	3,000
Grade/Model Total Production:	447,200
Size:	16s
Jewels:	21j
Jewel Material:	Ruby & Sapphire
Jewel Setting:	Gold Settings (Screw-Set)
Movement Configuration:	Openface
Movement Finish:	Nickel
Finish Pattern:	2nd Pattern (bar)
Movement Setting:	Lever
Plate:	3/4 Plate
Double Roller:	Yes
Barrel:	Going
Center Wheel Material:	Gold
Regulator:	Reed
Hairspring:	Breguet
Pallet Jewel Material:	Sapphire
Standard Dial Type:	Double-Sunk
Adjusted:	Yes
Adjusted to Position:	Yes
Adjusted # of Positions:	5
Adjusted to Temperature:	Yes
Adjusted to Isochronism:	Yes
Adjustment Tolerance:	DUvDD: +/- 6 sec.; 5Pv: +/- 10 sec.; Total Average: +3-6 sec. per day; Temperature: +/- 6 Seconds
Railroad Grade:	Yes
Dial Feet Locations:	22.3, 38.0, 57.1 Hamilton 16s Dial Feet Research
Data Research:	1953 Hamilton Serial List
Case:	Various
Database Version:	v50.306
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	1,315.33
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	590.77
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	4.137%
Registry Population:	51 (1.70%)
Research Note: #1657502: Verified as Two-Tone movement with dial marked "Adjusted for Railroad Service."

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
1		1657025	#25	Marketplace	December 15, 2015
2		1657070	#70	Marketplace	June 08, 2014
3	Image Credit: arthur1957	1657107	#107	Collection	April 28, 2016
4		1657255	#255	Marketplace	August 06, 2015
5		1657293	#293	Marketplace	February 13, 2017
6		1657359	#359	Marketplace	February 04, 2017
7		1657383	#383	Collection	July 17, 2015
8		1657399	#399	Marketplace	March 05, 2014
9		1657502	#502	Marketplace	July 10, 2021
10		1657601	#601	Marketplace	May 21, 2014
11		1657622	#622	Collection	April 11, 2016
12		1657682	#682	Marketplace	February 14, 2016
13		1657686	#686	Marketplace	August 29, 2014
14		1657716	#716	Marketplace	November 18, 2018
15		1657734	#734	Marketplace	May 12, 2014
16		1657755	#755	Marketplace	April 22, 2021
17		1657762	#762	Marketplace	November 15, 2012
18		1657804	#804	Marketplace	March 18, 2020
19		1657818	#818	Marketplace	November 14, 2013
20		1657825	#825	Marketplace	March 26, 2013
21		1657838	#838	Marketplace	March 05, 2016
22		1657856	#856	Marketplace	July 14, 2015
23		1657891	#891	Marketplace	September 04, 2018
24		1657943	#943	Collection	March 11, 2017
25		1658029	#1029	Inferred
26		1658143	#1143	Marketplace	March 12, 2017
27		1658151	#1151	Collection	March 03, 2013
28		1658257	#1257	Collection	September 19, 2019
29		1658293	#1293	Marketplace	October 24, 2016
30		1658306	#1306	Marketplace	March 16, 2021
31		1658311	#1311	Collection	August 19, 2020
32		1658399	#1399	Marketplace	October 10, 2013
33		1658425	#1425	Marketplace	May 12, 2016
34		1658528	#1528	Collection	April 22, 2015
35		1658597	#1597	Inferred
36		1658783	#1783	Inferred
37		1658912	#1912	Marketplace	December 02, 2018
38		1658949	#1949	Marketplace	October 19, 2022
39		1658971	#1971	Marketplace	November 29, 2013
40		1659007	#2007	Marketplace	November 17, 2020
41		1659080	#2080	Marketplace	June 02, 2017
42		1659090	#2090	Marketplace	April 24, 2013
43		1659141	#2141	Marketplace	September 08, 2019
44		1659146	#2146	Marketplace	November 23, 2012
45		1659326	#2326	Inferred
46		1659426	#2426	Marketplace	August 19, 2018
47		1659429	#2429	Marketplace	February 06, 2021
48		1659661	#2661	Marketplace	March 25, 2019
49		1659758	#2758	Marketplace	September 24, 2021
50		1659780	#2780	Marketplace	July 21, 2015
51		1659936	#2936	Marketplace	October 28, 2014
Standard Deviation of Known Examples: 794.02 (Expected: 866.17, Δ72.15/2.40%)

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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 · December 4, 2020

Serial Number 1659007 was reported as accurate.

Anonymous · November 1, 2020

Serial Number 1657838 was reported as accurate.

Anonymous · July 13, 2020

Serial Number 1658078 was reported as accurate.

Anonymous · June 4, 2020

Serial Number 1657302 was reported as accurate.

MoatsJustin1 2535 · May 11, 2020

Serial Number 1659296 was reported as accurate.

Anonymous · May 8, 2020

Serial Number 1659592 was reported as accurate.

Anonymous · April 17, 2020

Serial Number 1659381 was reported as accurate.

Anonymous · March 6, 2020

Serial Number 1659853 was reported as accurate.

Anonymous · February 5, 2020

Serial Number 1658531 was reported as accurate.

Anonymous · January 26, 2020

Serial Number 1659973 was reported as accurate.

esoxhunter Top Contributor Supporter 125 · August 11, 2019

Serial Number 1657502 was reported as inaccurate.

Note: This is an "ARRS " (Adjusted for Railroad Service)
unmarked 992 with 2-tone checkerboard demaskeen
pattern. The "scratch number" below the Serial
Number is 23341.

Anonymous · April 6, 2019

Serial Number 1658804 was reported as accurate.

WLBelkriver33 804 · December 2, 2018

Serial Number 1657118 was reported as accurate.

Anonymous · November 25, 2018

Serial Number 1657118 was reported as accurate.

Anonymous · November 4, 2017

Serial Number 1658921 was reported as accurate.

Anonymous · September 9, 2017

Serial Number 1658831 was reported as accurate.