Pocket Watch Database

From the American Horology Archive:
Hamilton Grade 920 Pocket Watch

Hamilton Watch Co.

Grade: 920

Only Sold Cased by Hamilton.

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 1765707
Grade: 920
Model: 1
Estimated Production Year: 1912
Run Quantity: 2,000
Total Production: 14,600
Size: 12s
Jewels: 23j
Jewel Material: Ruby & Sapphire
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: Bridge Plate
Barrel: Patent Motor
Train Material: Gold
Center Wheel Material: Gold
Regulator: Reed
Hairspring: Breguet
Pallet Jewel Material: Sapphire
Adjusted: Yes
Adjusted to Position: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: No
Dial Feet Locations: 10.5, 38.5, 56.0
Data Research: 1953 Hamilton Serial List
Case: Various
Registry Population: 16 (0.80%)
Database Version: v49.391

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 1765065 #65 Collection May 15, 2015
2 1765207 #207 Collection August 05, 2016
3 1765596 #596 Inferred
4 1765597 #597 Collection May 06, 2022
5 1765683 #683 Marketplace October 05, 2015
6 1765707 #707 Inferred
7 1765756 #756 Marketplace May 15, 2014
8 1766029 #1029 Inferred
9 1766087 #1087 Marketplace July 09, 2015
10 1766129 #1129 Inferred
11 1766182 #1182 Marketplace March 04, 2015
12 1766247 #1247 Inferred
13 1766262 #1262 Marketplace March 05, 2013
14 1766302 #1302 Marketplace March 12, 2017
15 1766883 #1883 Marketplace August 26, 2015
16 1766903 #1903 Collection October 28, 2014
Standard Deviation of Known Examples: 512.53 (Expected: 577.49, Δ64.96/3.25%)

Help Us Help Others By Improving the Database:

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Data Verification Reports

1765001
Verification Serial Map
1767000

Anonymous · June 5, 2022

Serial Number 1766768 was reported as accurate.

Anonymous · January 15, 2022

Serial Number 1766133 was reported as accurate.

jwb935 3 · April 24, 2021

Serial Number 1765597 was reported as accurate.

Anonymous · February 23, 2021

Serial Number 1766514 was reported as accurate.

Anonymous · January 5, 2021

Serial Number 1765836 was reported as accurate.

Anonymous · September 4, 2020

Serial Number 1765910 was reported as accurate.

Anonymous · June 18, 2020

Serial Number 1765728 was reported as accurate.

Anonymous · February 6, 2020

Serial Number 1766247 was reported as accurate.

Anonymous · December 23, 2019

Serial Number 1766810 was reported as accurate.

Anonymous · April 30, 2019

Serial Number 1765630 was reported as accurate.

johnbjackson Supporter 20 · February 26, 2019

Serial Number 1766603 was reported as accurate.

Anonymous · December 16, 2018

Serial Number 1766329 was reported as accurate.

Anonymous · August 13, 2018

Serial Number 1765152 was reported as accurate.

MadBunny 33 · April 21, 2018

Serial Number 1765922 was reported as accurate.

Anonymous · April 14, 2018

Serial Number 1765784 was reported as accurate.

Anonymous · September 8, 2017

Serial Number 1765945 was reported as accurate.

Anonymous · July 30, 2017

Serial Number 1765683 was reported as accurate.

elkhorn 13 · July 5, 2017

Serial Number 1766284 was reported as accurate.

Anonymous · May 18, 2017

Serial Number 1766710 was reported as accurate.

Anonymous · May 5, 2017

Serial Number 1766918 was reported as accurate.

Anonymous · September 29, 2016

Serial Number 1766392 was reported as accurate.

Anonymous · July 17, 2016

Serial Number 1766809 was reported as accurate.

Anonymous · July 9, 2016

Serial Number 1766809 was reported as accurate.

Anonymous · May 23, 2016

Serial Number 1765332 was reported as accurate.

Anonymous · April 27, 2016

Serial Number 1765314 was reported as accurate.

Anonymous · February 13, 2016

Serial Number 1765151 was reported as accurate.

Anonymous · August 26, 2015

Serial Number 1766883 was reported as accurate.

Anonymous · August 26, 2015

Serial Number 1766883 was reported as accurate.

Anonymous · August 26, 2015

Serial Number 1766883 was reported as accurate.

Anonymous · August 17, 2015

Serial Number 1765683 was reported as accurate.

Anonymous · July 22, 2015

Serial Number 1766129 was reported as accurate.

Anonymous · July 22, 2015

Serial Number 1766087 was reported as accurate.

Anonymous · July 20, 2015

Serial Number 1766087 was reported as accurate.

Anonymous · July 19, 2015

Serial Number 1766087 was reported as accurate.

Anonymous · July 19, 2015

Serial Number 1766087 was reported as accurate.

Anonymous · May 15, 2015

Serial Number 1765065 was reported as accurate.

elkhorn 13 · May 15, 2015

Serial Number 1766284 was reported as accurate.

Anonymous · February 4, 2015

Serial Number 1765756 was reported as accurate.

Anonymous · November 11, 2014

Serial Number 1766179 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · October 28, 2014

Serial Number 1766903 was reported as accurate.

GuyJLemi 33 · October 28, 2014

Serial Number 1766903 was reported as accurate.

Anonymous · October 6, 2014

Serial Number 1765806 was reported as accurate.

Anonymous · October 6, 2014

Serial Number 1766710 was reported as accurate.

Anonymous · August 20, 2014

Serial Number 1766029 was reported as accurate.

Anonymous · August 11, 2014

Serial Number 1765783 was reported as accurate.

Timeswept2 92 · March 17, 2014

Serial Number 1766377 was reported as accurate.

chevykingpower 215 · February 22, 2014

Serial Number 1765450 was reported as accurate.

chevykingpower 215 · February 22, 2014

Serial Number 1765450 was reported as accurate.

Anonymous · November 7, 2013

Serial Number 1766393 was reported as accurate.

Anonymous · October 6, 2013

Serial Number 1766141 was reported as accurate.

Anonymous · May 22, 2013

Serial Number 1766185 was reported as accurate.

Anonymous · May 9, 2013

Serial Number 1766262 was reported as accurate.

Anonymous · March 21, 2013

Serial Number 1766262 was reported as accurate.

Anonymous · January 27, 2013

Serial Number 1766230 was reported as accurate.

Anonymous · January 26, 2013

Serial Number 1766230 was reported as accurate.

Anonymous · January 24, 2013

Serial Number 1766262 was reported as accurate.

Anonymous · December 6, 2012

Serial Number 1766262 was reported as accurate.

Anonymous · December 5, 2012

Serial Number 1766262 was reported as accurate.

Anonymous · November 28, 2012

Serial Number 1766262 was reported as accurate.

Anonymous · November 27, 2012

Serial Number 1766262 was reported as accurate.

Anonymous · November 13, 2012

Serial Number 1765280 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · October 30, 2012

Serial Number 1766262 was reported as accurate.

Anonymous · October 27, 2012

Serial Number 1766133 was reported as accurate.

Anonymous · August 22, 2012

Serial Number 1765622 was reported as accurate.

Anonymous · April 21, 2012

Serial Number 1766203 was reported as accurate.

Anonymous · April 16, 2012

Serial Number 1765921 was reported as accurate.

Hamilton Grade 920 Pocket Watch