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: 910608
Grade: 940
Model: 1
Estimated Production Year: 1911
Run Quantity: 8,000
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 Signing Style: Serif (Decorative)
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
Movement Markings: Hamilton Watch Co.
Lancaster, Pa.
Motor Barrel
940
Adjusted 5 Positions
21 Jewels
Double Roller
Safety Pinion
Data Research: 1953 Hamilton Serial List
Case: Various
Registry Population: 120 (1.50%)
Database Version: v49.391
Research Note: #907541: Verified as a 23-Jewel movement upgraded post-factory. The original "21" marking has been drilled out and replaced with a plug marked "23" (Jewels).

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 906017 #17 Marketplace September 29, 2018
2 906068 #68 Inferred
3 906080 #80 Marketplace May 14, 2019
4 906117 #117 Marketplace March 19, 2015
5 906147 #147 Marketplace July 11, 2014
6 906207 #207 Marketplace November 20, 2013
7 906220 #220 Marketplace March 03, 2016
8 906239 #239 Marketplace November 06, 2014
9 906343 #343 Marketplace February 02, 2014
10 906527 #527 Marketplace June 17, 2015
11 906553 #553 Marketplace April 28, 2021
12 906575 #575 Marketplace November 26, 2019
13 906664 #664 Collection April 10, 2022
14 906694 #694 Marketplace July 05, 2022
15 906735 #735 Marketplace March 12, 2019
16 906836 #836 Marketplace August 15, 2013
17 906860 #860 Marketplace August 11, 2020
18 907041 #1041 Marketplace February 08, 2013
19 907067 #1067 Marketplace July 28, 2019
20 907081 #1081 Marketplace May 05, 2019
21 907114 #1114 Inferred
22 907145 #1145 Marketplace October 07, 2021
23 907170 #1170 Collection September 14, 2014
24 907202 #1202 Inferred
25 907260 #1260 Marketplace July 28, 2019
26 907404 #1404 Marketplace November 09, 2020
27 907441 #1441 Marketplace January 23, 2014
28 907470 #1470 Collection May 13, 2019
29 907527 #1527 Marketplace August 13, 2019
30 907534 #1534 Marketplace May 05, 2018
31 907541 #1541 Collection December 31, 2021
32 907569 #1569 Marketplace March 04, 2013
33 907693 #1693 Marketplace November 27, 2013
34 907863 #1863 Marketplace July 10, 2020
35 907875 #1875 Marketplace May 02, 2022
36 907880 #1880 Marketplace November 19, 2018
37 907931 #1931 Marketplace August 13, 2020
38 907937 #1937 Marketplace January 01, 2017
39 907967 #1967 Marketplace August 06, 2020
40 907980 #1980 Marketplace August 03, 2020
41 908032 #2032 Marketplace December 06, 2017
42 908073 #2073 Marketplace October 25, 2013
43 908080 #2080 Marketplace June 19, 2019
44 908096 #2096 Marketplace May 14, 2018
45 908294 #2294 Marketplace April 06, 2017
46 908351 #2351 Marketplace November 15, 2013
47 908383 #2383 Marketplace January 30, 2013
48 908387 #2387 Collection February 21, 2016
49 908428 #2428 Collection May 27, 2021
50 908481 #2481 Collection December 18, 2017
51 908533 #2533 Marketplace April 14, 2015
52 908571 #2571 Collection June 15, 2015
53 908582 #2582 Marketplace December 16, 2015
54 908583 #2583 Marketplace August 16, 2014
55 908613 #2613 Marketplace March 18, 2015
56 908646 #2646 Marketplace September 19, 2013
57 908717 #2717 Marketplace February 19, 2019
58 908718 #2718 Marketplace April 25, 2021
59 908731 #2731 Collection January 16, 2019
60 908732 #2732 Marketplace May 19, 2013
61 908911 #2911 Collection June 11, 2014
62 909086 #3086 Collection August 29, 2016
63 909112 #3112 Marketplace September 29, 2021
64 909141 #3141 Inferred
65 909223 #3223 Marketplace July 24, 2013
66 909263 #3263 Marketplace September 25, 2016
67 909384 #3384 Marketplace July 25, 2013
68 909477 #3477 Marketplace February 23, 2022
69 909508 #3508 Marketplace November 24, 2014
70 909523 #3523 Collection October 30, 2022
71 909550 #3550 Marketplace November 16, 2020
72 909571 #3571 Marketplace April 18, 2021
73 909614 #3614 Marketplace November 17, 2012
74 909708 #3708 Marketplace January 09, 2021
75 909727 #3727 Marketplace February 21, 2013
76 910073 #4073 Marketplace September 25, 2018
77 910111 #4111 Marketplace April 15, 2019
78 910168 #4168 Marketplace August 17, 2014
79 910223 #4223 Marketplace April 21, 2015
80 910315 #4315 Marketplace March 17, 2015
81 910324 #4324 Marketplace June 09, 2013
82 910402 #4402 Marketplace May 31, 2013
83 910438 #4438 Marketplace August 16, 2018
84 910447 #4447 Marketplace March 31, 2019
85 910481 #4481 Marketplace May 19, 2018
86 910608 #4608 Collection June 15, 2014
87 910702 #4702 Marketplace May 09, 2011
88 910852 #4852 Collection March 16, 2017
89 911043 #5043 Collection January 03, 2018
90 911163 #5163 Marketplace March 10, 2014
91 911240 #5240 Marketplace August 13, 2020
92 911346 #5346 Inferred
93 911372 #5372 Marketplace May 23, 2019
94 911397 #5397 Marketplace June 19, 2020
95 911429 #5429 Collection September 13, 2015
96 911459 #5459 Collection February 10, 2019
97 911472 #5472 Marketplace May 24, 2017
98 911530 #5530 Marketplace April 21, 2013
99 911568 #5568 Marketplace March 26, 2018
100 911764 #5764 Collection December 14, 2014
101 911781 #5781 Marketplace May 04, 2015
102 911817 #5817 Marketplace April 13, 2021
103 911818 #5818 Marketplace January 25, 2021
104 911838 #5838 Marketplace January 06, 2014
105 911870 #5870 Marketplace November 04, 2018
106 911880 #5880 Marketplace March 07, 2014
107 911934 #5934 Marketplace December 01, 2012
108 911994 #5994 Marketplace November 04, 2016
109 912043 #6043 Marketplace January 29, 2017
110 912454 #6454 Collection June 05, 2019
111 912731 #6731 Collection June 16, 2020
112 912873 #6873 Collection February 04, 2020
113 912893 #6893 Collection November 28, 2015
114 913020 #7020 Collection August 10, 2013
115 913059 #7059 Collection March 03, 2013
116 913568 #7568 Collection March 18, 2019
117 913569 #7569 Collection January 03, 2017
118 913570 #7570 Collection December 18, 2015
119 913686 #7686 Collection February 22, 2015
120 913943 #7943 Collection April 03, 2021
Standard Deviation of Known Examples: 2,124.43 (Expected: 2,309.55, Δ185.12/2.31%)

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

Data Verification Reports

906001
Verification Serial Map
914000

viclip 27 · October 15, 2022

Serial Number 908344 was reported as accurate.

Anonymous · April 15, 2022

Serial Number 907875 was reported as accurate.

cranemaker Supporter 68 · April 10, 2022

Serial Number 906664 was reported as accurate.

Anonymous · April 7, 2022

Serial Number 906553 was reported as accurate.

Anonymous · February 15, 2022

Serial Number 908154 was reported as accurate.

NathanS 1 · December 31, 2021

Serial Number 907541 was reported as inaccurate.

Note: Marked 23 Jewels with a small silver colored disc
engraved 23 over the original 21. Motor barrel
has been jeweled with what appears to be Gold
setting, press fit. One case screw (upper right)
appears non original.
Curator Response: Thanks for the report. This information has been added to the research notes for the run.

texnet Supporter 684 · December 31, 2021

Serial Number 907541 was reported as inaccurate.

Note: This serial # is a 23 jewel...

Anonymous · September 20, 2021

Serial Number 907202 was reported as accurate.

Anonymous · September 18, 2021

Serial Number 907202 was reported as accurate.

IouriK Supporter 3 · September 7, 2021

Serial Number 912311 was reported as accurate.

Anonymous · May 31, 2021

Serial Number 909707 was reported as accurate.

Anonymous · April 21, 2021

Serial Number 907202 was reported as accurate.

Anonymous · April 21, 2021

Serial Number 907202 was reported as accurate.

Anonymous · April 20, 2021

Serial Number 906553 was reported as accurate.

Fifty50 Supporter 308 · April 3, 2021

Serial Number 913943 was reported as accurate.

Anonymous · February 27, 2021

Serial Number 910378 was reported as accurate.

Anonymous · December 27, 2020

Serial Number 907404 was reported as inaccurate.

Note: This one is a RARE fish scale with all gold
trimmed movement grade 940.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

MoatsJustin1 2533 · November 28, 2020

Serial Number 910030 was reported as accurate.

Anonymous · November 21, 2020

Serial Number 907786 was reported as accurate.

Anonymous · November 9, 2020

Serial Number 907202 was reported as accurate.

Anonymous · October 11, 2020

Serial Number 911399 was reported as accurate.

Anonymous · July 9, 2020

Serial Number 907202 was reported as accurate.

Anonymous · July 2, 2020

Serial Number 907202 was reported as accurate.

Anonymous · June 29, 2020

Serial Number 908909 was reported as accurate.

Joef21 162 · June 16, 2020

Serial Number 912731 was reported as accurate.

Joef21 162 · June 16, 2020

Serial Number 912731 was reported as accurate.

Anonymous · June 10, 2020

Serial Number 908415 was reported as accurate.

Anonymous · May 14, 2020

Serial Number 907893 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · May 10, 2020

Serial Number 907202 was reported as accurate.

Anonymous · February 20, 2020

Serial Number 907202 was reported as accurate.

Anonymous · January 31, 2020

Serial Number 907793 was reported as accurate.

Anonymous · January 29, 2020

Serial Number 910786 was reported as accurate.

Anonymous · November 29, 2019

Serial Number 907964 was reported as accurate.

Anonymous · October 25, 2019

Serial Number 910205 was reported as accurate.

Anonymous · June 28, 2019

Serial Number 911415 was reported as inaccurate.

Note: 17 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 · June 11, 2019

Serial Number 912581 was reported as accurate.

Anonymous · June 6, 2019

Serial Number 912229 was reported as accurate.

Anonymous · May 24, 2019

Serial Number 911358 was reported as accurate.

Anonymous · May 9, 2019

Serial Number 910494 was reported as accurate.

avpalermo Supporter 426 · February 15, 2019

Serial Number 907778 was reported as accurate.

Anonymous · January 24, 2019

Serial Number 911459 was reported as accurate.

Anonymous · December 21, 2018

Serial Number 909782 was reported as accurate.

diamondisk 4 · September 16, 2018

Serial Number 912991 was reported as accurate.

Anonymous · August 31, 2018

Serial Number 909782 was reported as accurate.

Anonymous · July 13, 2018

Serial Number 911489 was reported as accurate.

Anonymous · June 9, 2018

Serial Number 907020 was reported as accurate.

Anonymous · June 2, 2018

Serial Number 913102 was reported as accurate.

Anonymous · May 20, 2018

Serial Number 910481 was reported as accurate.

Anonymous · April 18, 2018

Serial Number 911377 was reported as accurate.

Anonymous · January 19, 2018

Serial Number 911633 was reported as accurate.

senorchisme 17 · December 18, 2017

Serial Number 908481 was reported as accurate.

Anonymous · October 23, 2017

Serial Number 907067 was reported as accurate.

von1943 361 · September 23, 2017

Serial Number 907067 was reported as accurate.

von1943 361 · September 23, 2017

Serial Number 907067 was reported as accurate.

Anonymous · August 16, 2017

Serial Number 906686 was reported as accurate.

Anonymous · June 18, 2017

Serial Number 913494 was reported as accurate.

Anonymous · May 23, 2017

Serial Number 906045 was reported as accurate.

Anonymous · May 5, 2017

Serial Number 913227 was reported as accurate.

towlyn 1 · May 2, 2017

Serial Number 909086 was reported as accurate.

pmtime 307 · April 4, 2017

Serial Number 908294 was reported as accurate.

dfchong 837 · March 26, 2017

Serial Number 910989 was reported as accurate.

Anonymous · March 20, 2017

Serial Number 911691 was reported as accurate.

Anonymous · February 4, 2017

Serial Number 908606 was reported as accurate.

Anonymous · January 3, 2017

Serial Number 913569 was reported as accurate.

Bemsmedic 2 · December 4, 2016

Serial Number 913686 was reported as accurate.

Anonymous · October 23, 2016

Serial Number 908481 was reported as accurate.

Anonymous · October 2, 2016

Serial Number 913519 was reported as accurate.

towlyn 1 · August 29, 2016

Serial Number 909086 was reported as accurate.

Anonymous · July 13, 2016

Serial Number 908453 was reported as accurate.

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

Anonymous · June 20, 2016

Serial Number 913671 was reported as accurate.

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

Anonymous · May 22, 2016

Serial Number 912320 was reported as accurate.

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

Anonymous · May 20, 2016

Serial Number 908646 was reported as accurate.

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

Anonymous · May 16, 2016

Serial Number 908080 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 · April 18, 2016

Serial Number 910682 was reported as accurate.

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

Anonymous · April 18, 2016

Serial Number 910682 was reported as accurate.

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

Anonymous · April 11, 2016

Serial Number 910662 was reported as accurate.

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

bwalder 137 · February 21, 2016

Serial Number 908387 was reported as accurate.

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

Freakarm73 1 · December 18, 2015

Serial Number 908162 was reported as accurate.

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

Anonymous · December 18, 2015

Serial Number 908162 was reported as accurate.

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

Anonymous · November 15, 2015

Serial Number 910801 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 9, 2015

Serial Number 908173 was reported as accurate.

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

Anonymous · June 16, 2015

Serial Number 906527 was reported as accurate.

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

Anonymous · June 13, 2015

Serial Number 908173 was reported as accurate.

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

Gasperoff 727 · April 19, 2015

Serial Number 909508 was reported as accurate.

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

Anonymous · April 8, 2015

Serial Number 908480 was reported as accurate.

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

Anonymous · February 19, 2015

Serial Number 907920 was reported as accurate.

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

Hobbyking 3 · February 18, 2015

Serial Number 912174 was reported as accurate.

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

Gasperoff 727 · February 11, 2015

Serial Number 909508 was reported as accurate.

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

Anonymous · February 9, 2015

Serial Number 913686 was reported as accurate.

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

Anonymous · January 19, 2015

Serial Number 913660 was reported as accurate.

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

Anonymous · December 31, 2014

Serial Number 909508 was reported as accurate.

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

Anonymous · November 21, 2014

Serial Number 909508 was reported as accurate.

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

Anonymous · November 3, 2014

Serial Number 913715 was reported as accurate.

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

Anonymous · November 1, 2014

Serial Number 913715 was reported as accurate.

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

Anonymous · November 1, 2014

Serial Number 910673 was reported as accurate.

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

Anonymous · October 14, 2014

Serial Number 910187 was reported as accurate.

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

Anonymous · August 14, 2014

Serial Number 906343 was reported as accurate.

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

Anonymous · August 1, 2014

Serial Number 908209 was reported as accurate.

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

Anonymous · July 27, 2014

Serial Number 908218 was reported as accurate.

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

Anonymous · July 20, 2014

Serial Number 906528 was reported as accurate.

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

Anonymous · July 16, 2014

Serial Number 906080 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 · June 11, 2014

Serial Number 911639 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 · March 31, 2014

Serial Number 906749 was reported as accurate.

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

Anonymous · March 13, 2014

Serial Number 912201 was reported as accurate.

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

Anonymous · February 11, 2014

Serial Number 906343 was reported as accurate.

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

rocco6111 7 · February 11, 2014

Serial Number 910032 was reported as accurate.

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

Anonymous · February 6, 2014

Serial Number 908911 was reported as accurate.

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

Anonymous · February 2, 2014

Serial Number 908506 was reported as accurate.

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

Anonymous · February 2, 2014

Serial Number 906343 was reported as accurate.

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

Anonymous · February 2, 2014

Serial Number 906343 was reported as accurate.

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

Clockump 2 · January 31, 2014

Serial Number 909222 was reported as accurate.

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

crinjn2001 1 · December 18, 2013

Serial Number 910144 was reported as accurate.

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

Anonymous · December 18, 2013

Serial Number 910144 was reported as accurate.

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

Timeswept2 92 · December 4, 2013

Serial Number 912354 was reported as accurate.

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

Anonymous · September 21, 2013

Serial Number 913196 was reported as accurate.

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

Anonymous · September 18, 2013

Serial Number 908335 was reported as accurate.

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

Anonymous · August 30, 2013

Serial Number 910308 was reported as accurate.

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

Joef21 162 · August 10, 2013

Serial Number 913020 was reported as accurate.

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

Anonymous · July 21, 2013

Serial Number 911934 was reported as accurate.

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

Anonymous · July 21, 2013

Serial Number 911934 was reported as accurate.

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

Anonymous · May 7, 2013

Serial Number 908848 was reported as accurate.

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

Anonymous · April 28, 2013

Serial Number 909973 was reported as accurate.

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

Anonymous · April 21, 2013

Serial Number 911530 was reported as accurate.

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

Anonymous · March 20, 2013

Serial Number 908053 was reported as accurate.

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

Anonymous · February 22, 2013

Serial Number 908727 was reported as accurate.

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

Anonymous · February 22, 2013

Serial Number 908727 was reported as accurate.

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

Anonymous · January 26, 2013

Serial Number 906641 was reported as accurate.

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

Anonymous · November 19, 2012

Serial Number 908060 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
Plate changed from Unknown to Full

Anonymous · November 5, 2012

Serial Number 911054 was reported as accurate.

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

Anonymous · August 5, 2012

Serial Number 911729 was reported as accurate.

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

Anonymous · July 14, 2012

Serial Number 909459 was reported as accurate.

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

Anonymous · April 17, 2012

Serial Number 908997 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