Hamilton Pocket Watch: Serial Number 1561984 (Grade 992)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/hamilton/1561984

Access Date: January 27, 2023

From the American Horology Archive:

Hamilton Watch Co.

Grade: 992

Manufacturer:	Hamilton
Manufacturer Location:	Lancaster, Pennsylvania
Movement Serial Number:	1561984
Grade:	992
Model:	2
Estimated Production Year:	1920
Run Quantity:	2,000
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
Registry Population:	23 (1.15%)
Database Version:	v49.701

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
1		1561163	#163	Marketplace	May 29, 2016
2		1561245	#245	Marketplace	September 13, 2014
3		1561478	#478	Collection	July 06, 2015
4		1561505	#505	Marketplace	September 04, 2022
5		1561574	#574	Marketplace	August 29, 2014
6		1561663	#663	Collection	May 24, 2017
7		1561688	#688	Marketplace	December 13, 2017
8	Image Credit: chronofil	1561719	#719	Collection	July 19, 2013
9		1561754	#754	Marketplace	July 09, 2022
10		1561947	#947	Marketplace	May 09, 2019
11	Image Credit: classicrider	1561984	#984	Collection	October 12, 2013
12		1562159	#1159	Marketplace	September 11, 2013
13		1562382	#1382	Marketplace	January 29, 2022
14		1562451	#1451	Inferred
15		1562513	#1513	Marketplace	September 20, 2013
16	Image Credit: cloudjcc363	1562532	#1532	Collection	February 21, 2017
17		1562541	#1541	Marketplace	June 24, 2022
18		1562611	#1611	Marketplace	May 25, 2022
19		1562678	#1678	Marketplace	May 17, 2013
20		1562841	#1841	Marketplace	March 26, 2019
21		1562928	#1928	Marketplace	December 02, 2014
22		1562931	#1931	Marketplace	October 02, 2013
23		1562999	#1999	Inferred
Standard Deviation of Known Examples: 577.35 (Expected: 577.49, Δ0.15/0.01%)

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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, 2021

Serial Number 1561630 was reported as accurate.

Anonymous · March 9, 2021

Serial Number 1561754 was reported as accurate.

Anonymous · March 5, 2020

Serial Number 1561554 was reported as accurate.

Anonymous · December 16, 2018

Serial Number 1562426 was reported as accurate.

classicrider 13 · September 4, 2018

Serial Number 1561984 was reported as accurate.

mpisano 8 · July 10, 2018

Serial Number 1561824 was reported as accurate.

mpisano 8 · July 10, 2018

Serial Number 1561824 was reported as accurate.

Anonymous · December 4, 2017

Serial Number 1562668 was reported as accurate.

Madone 1 · May 24, 2017

Serial Number 1561663 was reported as accurate.

Madone 1 · May 24, 2017

Serial Number 1561663 was reported as accurate.

Anonymous · May 24, 2017

Serial Number 1561663 was reported as accurate.

cloudjcc363 13 · February 21, 2017

Serial Number 1562532 was reported as accurate.

cloudjcc363 13 · February 21, 2017

Serial Number 1562532 was reported as accurate.

krok44 22 · December 24, 2016

Serial Number 1561908 was reported as accurate.