Pocket Watch Database


From the American Horology Archive:

Hamilton Watch Co.

Grade: 971

Manufacturer: Hamilton Question Mark
Manufacturer Location: Lancaster, Pennsylvania Question Mark
Movement Serial Number: 331555 Question Mark
Grade: 971 Question Mark
Model: 1 Question Mark
Estimated Production Year: 1905 Question Mark
Run Quantity: 200 Question Mark
Grade/Model Run: 14 of 17 Question Mark
Grade/Model Total Production: 3,000 Question Mark
Size: 16s Question Mark
Jewels: 21j Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: 3/4 Plate Question Mark
Barrel: Going Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Adjusted to Temperature: No Question Mark
Railroad Grade: Yes Question Mark
Dial Feet Locations: 7.6, 21.8, 38.0, 50.5
Hamilton 16s Dial Feet Research
Question Mark
Case: Various Question Mark
Run ID: 741.971G14.16S293.161M261.H344.P214.21J160 Question Mark
Data Research: 1953 Hamilton Serial List
Question Mark
Database Version: v52.433 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
9.03 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
3.96 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.028% Question Mark
Registry Population:
Scoped for This Run Only
11 (5.50%) Question Mark

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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 · June 5, 2020

Serial Number 331672 was reported as accurate.

Anonymous · September 7, 2019

Serial Number 331559 was reported as accurate.

Anonymous · August 30, 2019

Serial Number 331559 was reported as accurate.

Anonymous · January 11, 2019

Serial Number 331559 was reported as accurate.

Anonymous · April 29, 2017

Serial Number 331579 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 2 to 1

Anonymous · June 3, 2016

Serial Number 331696 was reported as inaccurate.

No further details were submitted with the report.

Firebirdjeff 41 · September 26, 2014

Serial Number 331555 was reported as accurate.

Trevorboelter 1 · July 11, 2014

Serial Number 331548 was reported as accurate.

Anonymous · February 25, 2013

Serial Number 331645 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 2 to 1