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: 989430
Grade: 940
Model: 1
Estimated Production Year: 1914
Run Quantity: 4,000
Grade/Model 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: 74 (1.85%)
Database Version: v49.701

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 988027 #27 Inferred
2
Image Credit: rrjoe2
988035 #35 Collection September 01, 2015
3 988043 #43 Marketplace March 11, 2015
4 988066 #66 Marketplace May 28, 2018
5 988277 #277 Marketplace February 12, 2020
6 988347 #347 Inferred
7 988365 #365 Marketplace October 04, 2018
8 988377 #377 Marketplace May 28, 2020
9 988486 #486 Collection July 07, 2020
10 988546 #546 Marketplace September 19, 2013
11 988581 #581 Marketplace September 30, 2016
12
Image Credit: Abidiaz
988607 #607 Collection August 06, 2020
13 988638 #638 Marketplace May 07, 2019
14 988640 #640 Marketplace October 03, 2019
15 988648 #648 Collection October 13, 2015
16 988810 #810 Marketplace February 27, 2014
17 988866 #866 Marketplace December 13, 2018
18 988910 #910 Collection October 21, 2018
19 988922 #922 Marketplace August 04, 2018
20
Image Credit: TWW369
989006 #1006 Collection September 19, 2021
21 989019 #1019 Marketplace September 18, 2013
22 989119 #1119 Collection June 11, 2014
23 989166 #1166 Collection August 03, 2019
24 989171 #1171 Marketplace December 08, 2019
25 989203 #1203 Marketplace February 17, 2017
26 989215 #1215 Collection December 01, 2016
27 989368 #1368 Marketplace June 24, 2021
28
Image Credit: 4mula1fan
989430 #1430 Collection May 06, 2018
29 989597 #1597 Marketplace February 17, 2020
30 989602 #1602 Inferred
31 989764 #1764 Inferred
32 989769 #1769 Marketplace August 25, 2020
33 989771 #1771 Marketplace January 05, 2019
34
Image Credit: Rickglick1
989779 #1779 Collection December 06, 2020
35
Image Credit: Skininski
989835 #1835 Collection April 04, 2016
36 989873 #1873 Inferred
37 989923 #1923 Marketplace March 13, 2022
38 989957 #1957 Marketplace November 20, 2018
39 989964 #1964 Marketplace September 09, 2019
40 989995 #1995 Marketplace September 12, 2021
41 990011 #2011 Marketplace March 24, 2013
42 990093 #2093 Marketplace December 09, 2012
43 990169 #2169 Marketplace June 06, 2013
44 990179 #2179 Marketplace September 04, 2015
45 990227 #2227 Marketplace January 17, 2014
46 990249 #2249 Marketplace August 05, 2019
47 990307 #2307 Marketplace June 12, 2013
48 990365 #2365 Marketplace December 27, 2019
49 990366 #2366 Marketplace February 01, 2015
50 990388 #2388 Marketplace November 01, 2013
51 990411 #2411 Marketplace April 19, 2015
52 990446 #2446 Marketplace November 12, 2020
53 990563 #2563 Marketplace March 22, 2020
54 990594 #2594 Marketplace January 04, 2022
55 990631 #2631 Marketplace June 06, 2015
56 990717 #2717 Marketplace February 19, 2020
57 990767 #2767 Marketplace August 22, 2015
58 990877 #2877 Marketplace October 19, 2020
59 990892 #2892 Collection March 13, 2020
60
Image Credit: Gimparoo
990957 #2957 Collection November 28, 2015
61 990970 #2970 Collection July 05, 2015
62 990977 #2977 Marketplace January 18, 2020
63 991101 #3101 Marketplace August 29, 2020
64 991108 #3108 Marketplace April 17, 2020
65 991290 #3290 Marketplace October 16, 2020
66 991301 #3301 Marketplace May 13, 2022
67 991496 #3496 Marketplace December 03, 2013
68 991528 #3528 Marketplace June 21, 2018
69 991545 #3545 Collection August 19, 2018
70 991587 #3587 Marketplace February 18, 2019
71 991731 #3731 Marketplace July 05, 2013
72 991789 #3789 Marketplace December 17, 2014
73 991837 #3837 Marketplace October 10, 2020
74 991939 #3939 Marketplace January 08, 2014
Standard Deviation of Known Examples: 1,092.30 (Expected: 1,154.84, Δ62.55/1.56%)

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.


Anonymous · March 4, 2022

Serial Number 989370 was reported as accurate.

Anonymous · October 1, 2021

Serial Number 991944 was reported as accurate.

Anonymous · September 4, 2021

Serial Number 989995 was reported as accurate.

Anonymous · May 8, 2021

Serial Number 989459 was reported as accurate.

Mondomike 15 · February 6, 2021

Serial Number 988221 was reported as accurate.

tvaillancourt 6 · October 31, 2020

Serial Number 991366 was reported as accurate.

Anonymous · July 24, 2020

Serial Number 991395 was reported as accurate.

Anonymous · June 16, 2020

Serial Number 989786 was reported as accurate.

Anonymous · February 7, 2020

Serial Number 988640 was reported as accurate.

Anonymous · February 3, 2020

Serial Number 991760 was reported as accurate.

Anonymous · January 24, 2020

Serial Number 989771 was reported as accurate.

Anonymous · January 19, 2020

Serial Number 989134 was reported as accurate.

10mikemikes 25 · September 30, 2019

Serial Number 988640 was reported as accurate.

Anonymous · April 7, 2019

Serial Number 991321 was reported as accurate.

Anonymous · March 3, 2019

Serial Number 988486 was reported as inaccurate.

Note: 988486 is serial number. It's a 946 grade with 23
jewels.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · January 29, 2019

Serial Number 990150 was reported as accurate.

Anonymous · January 24, 2019

Serial Number 989326 was reported as accurate.

Anonymous · December 3, 2018

Serial Number 988607 was reported as accurate.

Danno4367 1 · November 13, 2018

Serial Number 988910 was reported as accurate.

cmdraven 3539 · June 20, 2018

Serial Number 991528 was reported as accurate.

Anonymous · May 19, 2018

Serial Number 991276 was reported as accurate.

4mula1fan 50 · May 6, 2018

Serial Number 989430 was reported as accurate.

Anonymous · February 3, 2018

Serial Number 988221 was reported as accurate.

Anonymous · November 13, 2017

Serial Number 989779 was reported as accurate.

Anonymous · September 20, 2017

Serial Number 990528 was reported as accurate.

Anonymous · July 10, 2017

Serial Number 991369 was reported as accurate.

Anonymous · June 3, 2017

Serial Number 991047 was reported as accurate.

Anonymous · May 9, 2017

Serial Number 991047 was reported as accurate.

locorman 1 · April 1, 2017

Serial Number 991036 was reported as accurate.

Anonymous · April 1, 2017

Serial Number 991036 was reported as accurate.

Anonymous · March 20, 2017

Serial Number 989900 was reported as accurate.

Anonymous · February 10, 2017

Serial Number 991778 was reported as accurate.

Anonymous · January 6, 2017

Serial Number 989544 was reported as accurate.

Anonymous · December 30, 2016

Serial Number 988660 was reported as accurate.

Anonymous · December 7, 2016

Serial Number 990528 was reported as accurate.

Anonymous · November 27, 2016

Serial Number 989264 was reported as accurate.

Skininski Supporter 4 · July 7, 2016

Serial Number 989835 was reported as accurate.

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

IsochronicFrost 46 · June 26, 2016

Serial Number 988842 was reported as accurate.

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

Skininski Supporter 4 · April 6, 2016

Serial Number 989835 was reported as accurate.

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

Anonymous · February 12, 2016

Serial Number 990970 was reported as accurate.

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

Anonymous · January 12, 2016

Serial Number 989826 was reported as accurate.

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

Anonymous · December 30, 2015

Serial Number 990089 was reported as accurate.

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

Gimparoo Supporter 703 · November 27, 2015

Serial Number 990957 was reported as accurate.

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

Miguel 47 · October 13, 2015

Serial Number 988648 was reported as accurate.

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

Anonymous · October 10, 2015

Serial Number 990877 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 · August 13, 2015

Serial Number 989090 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 1, 2015

Serial Number 988084 was reported as accurate.

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

Anonymous · May 7, 2015

Serial Number 988594 was reported as accurate.

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

von1943 361 · December 23, 2014

Serial Number 991543 was reported as accurate.

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

von1943 361 · December 22, 2014

Serial Number 991543 was reported as accurate.

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

von1943 361 · December 22, 2014

Serial Number 991543 was reported as accurate.

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

Anonymous · November 25, 2014

Serial Number 989395 was reported as accurate.

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

Anonymous · October 24, 2014

Serial Number 990563 was reported as accurate.

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

Anonymous · October 17, 2014

Serial Number 991370 was reported as accurate.

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

evelyndk 26 · July 11, 2014

Serial Number 991541 was reported as accurate.

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

Anonymous · July 2, 2014

Serial Number 991401 was reported as accurate.

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

Anonymous · June 30, 2014

Serial Number 990238 was reported as accurate.

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

Anonymous · June 12, 2014

Serial Number 989505 was reported as accurate.

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

Anonymous · March 11, 2014

Serial Number 990179 was reported as accurate.

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

Anonymous · December 2, 2013

Serial Number 990270 was reported as accurate.

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

Anonymous · July 14, 2013

Serial Number 990962 was reported as accurate.

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

Anonymous · July 14, 2013

Serial Number 990962 was reported as accurate.

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

Anonymous · June 27, 2013

Serial Number 990163 was reported as accurate.

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

Anonymous · June 27, 2013

Serial Number 990163 was reported as accurate.

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

Anonymous · June 27, 2013

Serial Number 990163 was reported as accurate.

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

Anonymous · June 27, 2013

Serial Number 990163 was reported as accurate.

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

Anonymous · May 1, 2013

Serial Number 991731 was reported as accurate.

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

Anonymous · May 1, 2013

Serial Number 991731 was reported as accurate.

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

Anonymous · April 30, 2013

Serial Number 991731 was reported as accurate.

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

Anonymous · March 31, 2013

Serial Number 990011 was reported as accurate.

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

Anonymous · January 26, 2013

Serial Number 988311 was reported as accurate.

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

Anonymous · October 20, 2012

Serial Number 990206 was reported as accurate.

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

Anonymous · September 17, 2012

Serial Number 988522 was reported as inaccurate.

Note: Full plate, two-tone checkered damaskeening
Changes since this report was submitted:
Double Roller changed from No to Yes
Plate changed from Unknown to Full

Anonymous · July 6, 2012

Serial Number 990750 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