Pocket Watch Database

From the American Horology Archive:
Ball - Hamilton Grade 999H Pocket Watch

Ball - Hamilton

Grade: 999H

Manufacturer: Ball - Hamilton
Movement Serial Number: 643389
Grade: 999H
Model: 1
Estimated Production Year: 1910
Run Quantity: 100
Grade/Model Run: 10 of 12
Grade/Model Total Production: 8,100
Size: 18s
Jewels: 17j
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: Circular Damascening
Movement Setting: Lever
Plate: Full Plate
Double Roller: Yes
Adjusted: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Railroad Grade: Yes
Movement Markings: Official RR Standard or Brotherhood Markings, Adjusted, Double Roller
Case: Various
Database Version: v52.221
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
24.25
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
184.19
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
7.021%
Research Note: Hamilton Hairspring Stud

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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 · October 2, 2020

Serial Number 643389 was reported as accurate.

Anonymous · April 28, 2020

Serial Number 643340 was reported as accurate.

dfchong 837 · October 24, 2016

Serial Number 643385 was reported as accurate.

dfchong 837 · October 24, 2016

Serial Number 643385 was reported as accurate.

Ball - Hamilton Grade 999H Pocket Watch