Pocket Watch Database

From the American Horology Archive:
Hamilton Grade 940 Pocket Watch
Hamilton Grade 940 Pocket Watch

Hamilton Watch Co.

Grade: 940

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 1417461
Grade: 940
Model: 1
Estimated Production Year: 1917
Run Quantity: 2,000
Total Production: 210,596
Size: 18s
Jewels: 21j
Jewel Material: Ruby
Jewel Setting: Gold Settings (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: 34 (1.70%)
Database Version: v49.392

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 1417010 #10 Collection June 13, 2016
2 1417013 #13 Inferred
3 1417141 #141 Marketplace February 23, 2014
4 1417142 #142 Collection January 19, 2019
5 1417171 #171 Inferred
6 1417270 #270 Marketplace September 01, 2017
7 1417450 #450 Marketplace April 28, 2014
8 1417454 #454 Marketplace November 22, 2021
9 1417461 #461 Collection October 03, 2020
10 1417582 #582 Collection September 20, 2019
11 1417677 #677 Collection March 13, 2017
12 1417681 #681 Marketplace December 08, 2018
13 1417682 #682 Marketplace March 03, 2013
14 1417743 #743 Marketplace January 06, 2022
15 1417845 #845 Marketplace December 10, 2017
16 1417891 #891 Marketplace March 18, 2021
17 1417926 #926 Collection July 30, 2018
18 1418181 #1181 Marketplace November 17, 2019
19 1418199 #1199 Marketplace February 02, 2014
20 1418230 #1230 Inferred
21 1418337 #1337 Collection May 18, 2020
22 1418351 #1351 Inferred
23 1418587 #1587 Inferred
24 1418612 #1612 Collection December 01, 2018
25 1418642 #1642 Collection February 01, 2018
26 1418707 #1707 Collection February 13, 2017
27 1418715 #1715 Marketplace February 07, 2020
28 1418730 #1730 Marketplace November 19, 2021
29 1418795 #1795 Marketplace August 01, 2019
30 1418955 #1955 Collection May 29, 2013
31 1418976 #1976 Marketplace November 14, 2014
32 1418980 #1980 Marketplace August 26, 2022
33 1418991 #1991 Marketplace June 17, 2020
34 1418998 #1998 Marketplace January 05, 2016
Standard Deviation of Known Examples: 662.15 (Expected: 577.49, Δ84.65/4.23%)

Help Us Help Others By Improving the Database:

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Data Verification Reports

1417001
Verification Serial Map
1419000

Anonymous · November 26, 2022

Serial Number 1418587 was reported as accurate.

Anonymous · July 29, 2022

Serial Number 1418368 was reported as accurate.

Anonymous · November 20, 2021

Serial Number 1417454 was reported as accurate.

Anonymous · August 9, 2021

Serial Number 1417460 was reported as accurate.

Anonymous · May 1, 2021

Serial Number 1418739 was reported as accurate.

Anonymous · April 11, 2021

Serial Number 1417171 was reported as accurate.

Anonymous · January 4, 2021

Serial Number 1418412 was reported as accurate.

slufdriver 60 · November 2, 2020

Serial Number 1417582 was reported as accurate.

Anonymous · July 14, 2020

Serial Number 1417578 was reported as accurate.

Anonymous · October 11, 2019

Serial Number 1417938 was reported as accurate.

Anonymous · July 28, 2019

Serial Number 1418795 was reported as accurate.

Anonymous · April 27, 2019

Serial Number 1417345 was reported as accurate.

Anonymous · January 21, 2019

Serial Number 1417046 was reported as accurate.

Anonymous · December 22, 2018

Serial Number 1417578 was reported as accurate.

Anonymous · December 16, 2018

Serial Number 1417774 was reported as accurate.

jlwint22 22 · December 1, 2018

Serial Number 1418612 was reported as accurate.

Anonymous · November 15, 2018

Serial Number 1417411 was reported as accurate.

Anonymous · July 21, 2018

Serial Number 1418257 was reported as accurate.

Anonymous · April 26, 2018

Serial Number 1418573 was reported as accurate.

Anonymous · March 13, 2018

Serial Number 1417411 was reported as accurate.

Anonymous · January 18, 2018

Serial Number 1418782 was reported as accurate.

Anonymous · August 23, 2017

Serial Number 1418913 was reported as accurate.

Anonymous · March 15, 2017

Serial Number 1418963 was reported as accurate.

Anonymous · March 13, 2017

Serial Number 1417677 was reported as accurate.

Anonymous · March 3, 2017

Serial Number 1418963 was reported as accurate.

Anonymous · January 28, 2017

Serial Number 1417411 was reported as accurate.

rayblack357 57 · December 8, 2016

Serial Number 1418913 was reported as accurate.

Anonymous · November 16, 2016

Serial Number 1417543 was reported as accurate.

Anonymous · November 16, 2016

Serial Number 1417543 was reported as accurate.

Anonymous · September 7, 2016

Serial Number 1417173 was reported as accurate.

Anonymous · September 5, 2016

Serial Number 1417193 was reported as accurate.

Anonymous · August 26, 2016

Serial Number 1417193 was reported as accurate.

Anonymous · August 15, 2016

Serial Number 1417193 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · August 12, 2016

Serial Number 1417193 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · March 24, 2016

Serial Number 1417395 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · March 20, 2016

Serial Number 1417411 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · January 5, 2016

Serial Number 1418998 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

barrypiggott 88 · July 23, 2014

Serial Number 1418127 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · February 9, 2014

Serial Number 1418199 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · February 8, 2014

Serial Number 1418199 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · January 28, 2013

Serial Number 1418955 was reported as inaccurate.

Note: Full Plate
Changes since this report was submitted:
Double Roller changed from No to Yes
Plate changed from Unknown to Full

Anonymous · January 9, 2013

Serial Number 1417807 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · October 20, 2012

Serial Number 1418178 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · October 20, 2012

Serial Number 1418178 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · August 10, 2012

Serial Number 1418980 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · May 4, 2012

Serial Number 1418223 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes
Hamilton Grade 940 Pocket Watch
Hamilton Grade 940 Pocket Watch