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: 911264
Grade: 940
Model: 1
Estimated Production Year: 1911
Run Quantity: 8,000
Grade/Model Run: 101 of 121
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 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
Run ID: 1423.940G101.18S671.181M425.O903.L930.21J391
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
630.54
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
278.20
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
1.976%
Registry Population: 70 (0.88%)
$ Estimated Value (12 Month Change): 2.06% Analyzing 2,336 Sales
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)., Gilt Lettering

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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 · January 6, 2024

Serial Number 908179 was reported as accurate.

cjbrem Supporter 499 · March 16, 2023

Serial Number 910589 was reported as accurate.

Anonymous · March 12, 2023

Serial Number 910260 was reported as accurate.

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 73 · 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 3 · 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 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 317 · 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 top-contributor 4691 · 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 568 · 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.

Hamilton Grade 940 Pocket Watch
Hamilton Grade 940 Pocket Watch