Pocket Watch Database

From the American Horology Archive:
Hamilton Grade 992 Pocket Watch
Hamilton Grade 992 Pocket Watch

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

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.

krok44 22 · December 18, 2016

Serial Number 1561908 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

krok44 22 · December 18, 2016

Serial Number 1561908 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

krok44 22 · December 16, 2016

Serial Number 1561908 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · October 30, 2016

Serial Number 1562168 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · February 2, 2016

Serial Number 1561121 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · February 26, 2015

Serial Number 1562983 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · September 22, 2014

Serial Number 1562451 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · August 22, 2014

Serial Number 1561719 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · August 6, 2014

Serial Number 1561654 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · July 27, 2014

Serial Number 1562333 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · July 25, 2014

Serial Number 1562333 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · December 15, 2013

Serial Number 1561918 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Factory Model changed from 1 to 2

classicrider 13 · October 19, 2013

Serial Number 1561984 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · September 17, 2013

Serial Number 1562159 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

chronofil 24 · July 19, 2013

Serial Number 1561719 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2
Hamilton Grade 992 Pocket Watch
Hamilton Grade 992 Pocket Watch