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: 647219
Grade: 940
Model: 1
Estimated Production Year: 1909
Run Quantity: 1,000
Grade/Model Run: 91 of 121
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
Run ID: 1081.940G91.18S630.181M395.O645.L707.21J282
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
634.05
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: 12 (1.20%)
$ Estimated Value (12 Month Change): -0.40% Analyzing 2,342 Sales
Research Note: 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.


rjandladyj 184 · December 28, 2023

Serial Number 647012 was reported as accurate.

Anonymous · September 2, 2020

Serial Number 647058 was reported as accurate.

Anonymous · August 19, 2019

Serial Number 647685 was reported as accurate.

Anonymous · January 12, 2019

Serial Number 647295 was reported as accurate.

Anonymous · May 27, 2018

Serial Number 647539 was reported as accurate.

Anonymous · June 21, 2016

Serial Number 647648 was reported as accurate.

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

Anonymous · September 16, 2014

Serial Number 647930 was reported as accurate.

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

Anonymous · May 30, 2013

Serial Number 647663 was reported as accurate.

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

Anonymous · March 28, 2013

Serial Number 647131 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