Pocket Watch Database

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

Ball - Hamilton

Grade: 999F

Manufacturer: Ball - Hamilton
Movement Serial Number: 170459
Grade: 999F
Model: 1
Estimated Production Year: 1902
Run Quantity: 200
Grade/Model Run: 4 of 5
Grade/Model Total Production: 800
Size: 18s
Jewels: 17j
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: Circular
Movement Setting: Lever
Plate: Full Plate
Regulator: Ball
Adjusted: Yes
Railroad Grade: No
U.S. Patents: D25695, 565955
Movement Markings: Commercial Standard
The Ball Watch Co. Cleveland.
17 Jewels
Safety Pinion
Trade Mark
Patented June 30 '96
Pat.Aug.18'96.
Case: Various
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
2.41
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
18.09
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.693%
Registry Population: 1 (0.50%)
Research Note: For use on RR not subject to inspection requirements

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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 24, 2021

Serial Number 170528 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to No

Anonymous · October 2, 2019

Serial Number 170404 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to No

rfregoso 55 · February 21, 2019

Serial Number 170600 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to No

barberr1 67 · April 14, 2018

Serial Number 170562 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to No

Anonymous · March 28, 2015

Serial Number 170500 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to No
Ball - Hamilton Grade 999F Pocket Watch