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: 924418
Grade: 940
Model: 1
Estimated Production Year: 1911
Run Quantity: 2,100
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: 33 (1.57%)
Database Version: v49.392

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 924015 #15 Marketplace February 07, 2019
2 924145 #145 Marketplace June 26, 2014
3 924153 #153 Collection July 07, 2015
4 924289 #289 Marketplace June 05, 2016
5 924313 #313 Marketplace December 07, 2014
6 924316 #316 Marketplace September 11, 2013
7 924418 #418 Collection October 16, 2020
8 924437 #437 Marketplace July 05, 2016
9 924539 #539 Marketplace August 22, 2020
10 924655 #655 Marketplace March 27, 2019
11 924683 #683 Collection June 26, 2014
12 924706 #706 Marketplace September 19, 2019
13 924878 #878 Marketplace April 26, 2014
14 924894 #894 Marketplace September 17, 2016
15 924929 #929 Collection November 18, 2020
16 924982 #982 Marketplace November 09, 2012
17 925065 #1065 Marketplace July 27, 2017
18 925069 #1069 Collection November 20, 2014
19 925100 #1100 Collection February 14, 2018
20 925218 #1218 Inferred
21 925227 #1227 Marketplace July 13, 2014
22 925236 #1236 Collection October 19, 2021
23 925238 #1238 Marketplace August 12, 2018
24 925253 #1253 Marketplace December 09, 2014
25 925273 #1273 Inferred
26 925316 #1316 Collection December 01, 2016
27 925358 #1358 Marketplace August 24, 2016
28 925373 #1373 Marketplace February 16, 2016
29 925580 #1580 Marketplace January 28, 2018
30 925676 #1676 Inferred
31 925744 #1744 Marketplace July 27, 2014
32 925911 #1911 Marketplace January 25, 2020
33 926090 #2090 Marketplace June 13, 2022
Standard Deviation of Known Examples: 534.58 (Expected: 606.36, Δ71.78/3.42%)

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

Data Verification Reports

924001
Verification Serial Map
926100

Rickglick1 Top Contributor Supporter 18 · March 2, 2022

Serial Number 925236 was reported as accurate.

Anonymous · February 28, 2021

Serial Number 924056 was reported as accurate.

Anonymous · July 18, 2020

Serial Number 924689 was reported as accurate.

netmind 42 · July 5, 2020

Serial Number 924418 was reported as accurate.

Anonymous · April 7, 2020

Serial Number 924176 was reported as accurate.

Anonymous · January 9, 2020

Serial Number 924666 was reported as accurate.

Anonymous · November 11, 2019

Serial Number 925273 was reported as accurate.

Anonymous · July 27, 2019

Serial Number 924016 was reported as accurate.

bubba70 543 · June 20, 2019

Serial Number 925221 was reported as accurate.

Anonymous · March 2, 2019

Serial Number 924418 was reported as accurate.

bogus22 Supporter 81 · December 22, 2018

Serial Number 925676 was reported as accurate.

WLBelkriver33 804 · November 6, 2018

Serial Number 925236 was reported as accurate.

Anonymous · February 24, 2018

Serial Number 925501 was reported as accurate.

Deere51 102 · February 14, 2018

Serial Number 925100 was reported as accurate.

Deere51 102 · January 30, 2018

Serial Number 925100 was reported as accurate.

Anonymous · September 6, 2017

Serial Number 925218 was reported as accurate.

Anonymous · August 29, 2017

Serial Number 925218 was reported as accurate.

Anonymous · July 21, 2017

Serial Number 924044 was reported as accurate.

Anonymous · September 11, 2016

Serial Number 925273 was reported as accurate.

Anonymous · July 3, 2016

Serial Number 924823 was reported as accurate.

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

Anonymous · May 22, 2016

Serial Number 926019 was reported as accurate.

Changes since this report was submitted:
Grade changed from 927 to 940
Jewels changed from 17j to 21j
Movement Configuration changed from Hunting to Openface
Factory Model changed from 2 to 1
Railroad Grade changed from No to Yes
Double Roller changed from No to Yes

Anonymous · April 7, 2016

Serial Number 924845 was reported as accurate.

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

Anonymous · February 15, 2016

Serial Number 924618 was reported as accurate.

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

Anonymous · February 1, 2016

Serial Number 925434 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · February 1, 2016

Serial Number 925434 was reported as accurate.

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

Anonymous · August 21, 2015

Serial Number 924705 was reported as accurate.

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

Anonymous · July 30, 2015

Serial Number 925616 was reported as accurate.

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

Anonymous · July 28, 2015

Serial Number 925616 was reported as accurate.

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

Anonymous · February 25, 2015

Serial Number 924978 was reported as accurate.

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

Anonymous · February 25, 2015

Serial Number 924978 was reported as accurate.

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

Gasperoff 727 · February 20, 2015

Serial Number 924978 was reported as accurate.

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

Anonymous · January 12, 2015

Serial Number 926095 was reported as accurate.

Changes since this report was submitted:
Grade changed from 927 to 940
Jewels changed from 17j to 21j
Movement Configuration changed from Hunting to Openface
Factory Model changed from 2 to 1
Railroad Grade changed from No to Yes
Double Roller changed from No to Yes

redsox1 74 · November 24, 2014

Serial Number 925069 was reported as accurate.

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

redsox1 74 · November 20, 2014

Serial Number 925069 was reported as accurate.

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

Anonymous · October 6, 2014

Serial Number 925373 was reported as accurate.

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

Anonymous · August 16, 2014

Serial Number 925373 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · July 29, 2014

Serial Number 925744 was reported as accurate.

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

Anonymous · July 29, 2014

Serial Number 925744 was reported as accurate.

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

Anonymous · July 20, 2014

Serial Number 924040 was reported as accurate.

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

jazzyj 6 · June 26, 2014

Serial Number 924683 was reported as accurate.

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

jazzyj 6 · June 26, 2014

Serial Number 924683 was reported as accurate.

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

tkarter 184 · June 13, 2014

Serial Number 924666 was reported as accurate.

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

rocket00 236 · January 18, 2014

Serial Number 925290 was reported as accurate.

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

tbrysonbays 1 · January 10, 2014

Serial Number 925617 was reported as inaccurate.

Note: It is not open faced .. It has the cover that
snaps closed also made of gold
Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · August 15, 2013

Serial Number 925373 was reported as accurate.

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

Anonymous · February 11, 2013

Serial Number 924164 was reported as accurate.

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

Anonymous · November 12, 2012

Serial Number 924982 was reported as inaccurate.

Note: It's FULL plate
Changes since this report was submitted:
Double Roller changed from No to Yes
Plate changed from Unknown to Full

Anonymous · September 14, 2012

Serial Number 924691 was reported as accurate.

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

Anonymous · April 16, 2012

Serial Number 924094 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