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: 620694
Grade: 940
Model: 1
Estimated Production Year: 1909
Run Quantity: 2,700
Grade/Model Total Production: 210,596
Size: 18s
Jewels: 21j
Jewel Material: Ruby
Jewel Setting: 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: 44 (1.63%)
Database Version: v49.712

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 620017 #17 Marketplace June 30, 2014
2 620025 #25 Marketplace November 28, 2015
3 620213 #213 Marketplace December 10, 2012
4 620306 #306 Marketplace December 22, 2021
5 620319 #319 Inferred
6 620459 #459 Marketplace March 28, 2018
7 620460 #460 Marketplace October 05, 2013
8 620495 #495 Marketplace March 29, 2020
9
Image Credit: JohnSmithe
620529 #529 Collection December 04, 2021
10 620563 #563 Marketplace May 02, 2015
11 620572 #572 Marketplace January 07, 2022
12 620582 #582 Collection August 20, 2016
13 620643 #643 Marketplace September 30, 2018
14
Image Credit: Alellisande
620694 #694 Collection October 09, 2017
15 620889 #889 Marketplace May 26, 2021
16 620933 #933 Marketplace June 27, 2021
17 620951 #951 Marketplace December 06, 2018
18 621147 #1147 Collection January 22, 2013
19
Image Credit: texnet
621204 #1204 Collection December 06, 2021
20 621237 #1237 Marketplace March 22, 2022
21
Image Credit: postie974
621245 #1245 Collection March 22, 2019
22 621257 #1257 Marketplace December 09, 2012
23 621269 #1269 Marketplace October 27, 2015
24 621313 #1313 Marketplace November 01, 2017
25 621367 #1367 Marketplace May 09, 2021
26 621416 #1416 Marketplace January 19, 2020
27 621594 #1594 Marketplace April 08, 2014
28 621641 #1641 Marketplace August 21, 2018
29 621706 #1706 Marketplace February 03, 2013
30 621877 #1877 Marketplace June 26, 2019
31 621881 #1881 Marketplace September 30, 2013
32 621987 #1987 Collection May 26, 2015
33 621997 #1997 Marketplace December 20, 2016
34 622018 #2018 Marketplace June 15, 2017
35 622041 #2041 Marketplace June 07, 2019
36 622083 #2083 Collection October 12, 2015
37 622163 #2163 Marketplace June 20, 2021
38 622172 #2172 Marketplace August 16, 2015
39 622330 #2330 Marketplace October 06, 2016
40 622383 #2383 Marketplace May 16, 2022
41 622548 #2548 Marketplace July 31, 2018
42 622580 #2580 Marketplace July 03, 2020
43 622643 #2643 Marketplace August 24, 2014
44 622656 #2656 Marketplace June 05, 2014
Standard Deviation of Known Examples: 779.84 (Expected: 779.57, Δ0.27/0.01%)

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

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.


cjbrem Supporter 198 · December 29, 2022

Serial Number 622014 was reported as accurate.

Anonymous · October 25, 2022

Serial Number 620709 was reported as accurate.

Anonymous · June 21, 2020

Serial Number 620319 was reported as accurate.

Anonymous · June 17, 2020

Serial Number 620117 was reported as accurate.

Anonymous · May 18, 2019

Serial Number 622142 was reported as accurate.

Anonymous · May 2, 2019

Serial Number 620554 was reported as accurate.

Anonymous · November 6, 2018

Serial Number 620951 was reported as accurate.

Anonymous · November 5, 2018

Serial Number 620219 was reported as accurate.

Anonymous · March 25, 2018

Serial Number 621671 was reported as accurate.

DoodleBug 36 · November 2, 2017

Serial Number 622666 was reported as accurate.

Alellisande 1 · October 9, 2017

Serial Number 620694 was reported as accurate.

Anonymous · October 9, 2017

Serial Number 620694 was reported as accurate.

Anonymous · January 6, 2017

Serial Number 621155 was reported as accurate.

tysonni Supporter 57 · June 3, 2016

Serial Number 622253 was reported as accurate.

Anonymous · March 31, 2016

Serial Number 620842 was reported as accurate.

Anonymous · February 7, 2016

Serial Number 621442 was reported as accurate.

Anonymous · December 5, 2015

Serial Number 620025 was reported as accurate.

ticker32 Supporter 75 · November 1, 2015

Serial Number 621202 was reported as accurate.

Anonymous · September 10, 2015

Serial Number 621236 was reported as inaccurate.

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

Anonymous · August 19, 2015

Serial Number 621236 was reported as accurate.

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

jjea99 19 · January 10, 2015

Serial Number 620286 was reported as accurate.

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

Dondon 13 · December 31, 2014

Serial Number 622083 was reported as accurate.

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

Anonymous · October 8, 2014

Serial Number 621236 was reported as accurate.

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

Gimparoo Supporter 703 · April 8, 2014

Serial Number 621802 was reported as accurate.

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

Anonymous · February 12, 2014

Serial Number 620466 was reported as accurate.

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

Anonymous · December 4, 2013

Serial Number 621989 was reported as accurate.

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

Anonymous · October 24, 2013

Serial Number 620469 was reported as accurate.

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

Anonymous · August 27, 2013

Serial Number 621705 was reported as accurate.

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

Anonymous · August 5, 2013

Serial Number 621126 was reported as accurate.

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

Anonymous · July 17, 2013

Serial Number 621109 was reported as accurate.

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

Anonymous · July 15, 2013

Serial Number 621705 was reported as accurate.

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

rickenix 4 · July 14, 2013

Serial Number 622093 was reported as accurate.

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

Anonymous · January 22, 2013

Serial Number 621147 was reported as accurate.

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

Anonymous · January 20, 2013

Serial Number 621911 was reported as accurate.

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

Anonymous · December 31, 2012

Serial Number 622408 was reported as accurate.

Anonymous · December 12, 2012

Serial Number 621257 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · October 28, 2012

Serial Number 620366 was reported as accurate.

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

Anonymous · September 7, 2012

Serial Number 620531 was reported as accurate.

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

Anonymous · September 5, 2012

Serial Number 620531 was reported as accurate.

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

Anonymous · August 26, 2012

Serial Number 621151 was reported as accurate.

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

Anonymous · June 14, 2012

Serial Number 621955 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