Pocket Watch Database

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

Ball - Hamilton

Grade: 999F

Manufacturer: Ball - Hamilton Question Mark
Movement Serial Number: 90862 Question Mark
Grade: 999F Question Mark
Model: 1 Question Mark
Estimated Production Year: 1900 Question Mark
Run Quantity: 200 Question Mark
Grade/Model Run: 3 of 5 Question Mark
Grade/Model Total Production: 800 Question Mark
Size: 18s Question Mark
Jewels: 17j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Finish Pattern: Circular Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Regulator: Ball Question Mark
Adjusted: Yes Question Mark
Railroad Grade: No Question Mark
U.S. Patents: D25695, 565955 Question Mark
Movement Markings: Commercial Standard.
Ball & Co. [or "The Ball Watch Co."] Cleveland.
Adjusted
A [or no adjustment marking]
17 Jewels
Safety Pinion
Trade Mark
Patented June 30'96
Pat.Aug.18'96.
Case: Various Question Mark
Database Version: v52.427 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
2.41 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
18.09 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.693% Question Mark
Registry Population:
Scoped for This Run Only
2 (1.00%) Question Mark
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 · August 13, 2022

Serial Number 90789 was reported as inaccurate.

Note: seller says it is a RR watch
Curator Response: Your seller is incorrect. The "Commercial Standard" would not qualify for railroad service during this time nor was intended to be a railroad watch. The "Official Standard" watches were intended for railroad service.

Anonymous · July 31, 2022

Serial Number 90874 was reported as accurate.

Anonymous · May 20, 2022

Serial Number 90874 was reported as inaccurate.

Note: Mine has a circular pattern finish.
Curator Response: Thanks for the report. The database has been updated accordingly.
Changes since this report was submitted:
Railroad Grade changed from Yes to No

Anonymous · April 21, 2022

Serial Number 90799 was reported as accurate.

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

Anonymous · January 5, 2022

Serial Number 90944 was reported as accurate.

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

hyaduckh 32 · July 6, 2020

Serial Number 90862 was reported as inaccurate.

Note: Mine is a circular finish pattern.
Changes since this report was submitted:
Railroad Grade changed from Yes to No

rock862 242 · December 6, 2016

Serial Number 90933 was reported as accurate.

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

dfchong 837 · September 24, 2016

Serial Number 90911 was reported as accurate.

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

Anonymous · December 3, 2013

Serial Number 90780 was reported as accurate.

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