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: 509884
Grade: 940
Model: 1
Estimated Production Year: 1906
Run Quantity: 900
Grade/Model Run: 76 of 121
Grade/Model Total Production: 210,596
Size: 18s
Jewels: 21j
Jewel Material: Ruby
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Two-Tone
Finish Pattern: Damaskeened
Movement Inlay Color: Gilt
Movement Setting: Lever
Plate: Full Plate
Barrel: Going
Regulator: Micrometer
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: 998.940G76.18S547.181M331.O581.L624.21J260
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: 14 (1.56%)
$ Estimated Value (12 Month Change): 2.06% Analyzing 2,336 Sales
Research Note: #509884 Verified as Two-Tone, #509684 Reported as Two-Tone, 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 · December 8, 2020

Serial Number 509175 was reported as accurate.

Anonymous · September 1, 2020

Serial Number 509439 was reported as accurate.

WLBelkriver33 804 · March 13, 2019

Serial Number 509810 was reported as accurate.

cmdraven 3970 · March 9, 2019

Serial Number 509810 was reported as accurate.

Gimparoo Supporter 703 · October 16, 2017

Serial Number 509884 was reported as accurate.

dfchong 837 · October 1, 2017

Serial Number 509475 was reported as accurate.

Anonymous · September 1, 2017

Serial Number 509275 was reported as accurate.

von1943 Supporter 371 · February 26, 2017

Serial Number 509324 was reported as accurate.

Anonymous · March 2, 2016

Serial Number 509844 was reported as accurate.

Anonymous · October 27, 2015

Serial Number 509684 was reported as inaccurate.

Note: 2 tone damascene movement.
Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone

Anonymous · September 4, 2015

Serial Number 509194 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone
Hamilton Grade 940 Pocket Watch
Hamilton Grade 940 Pocket Watch