Pocket Watch Database

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

Ball - Hamilton

Grade: 999B

Manufacturer: Ball - Hamilton Question Mark
Movement Serial Number: 1B598 Question Mark
Grade: 999B Question Mark
Model: 5 Question Mark
Estimated Production Year: 1944 Question Mark
Run Quantity: 500 Question Mark
Grade/Model Run: 2 of 12 Question Mark
Grade/Model Total Production: 28,800 Question Mark
Size: 16s Question Mark
Jewels: 21j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Finish Pattern: Circular Question Mark
Movement Setting: Lever Question Mark
Plate: 3/4 Plate Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 6 Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: Yes Question Mark
U.S. Patents: D32330 Question Mark
Movement Markings: Official Standard
Ball Watch Co.
Cleveland,O.
999B
21 Jewels
6 Positions Adjusted
Trade Mark
Case: Various Question Mark
Database Version: v52.431 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
86.71 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
655.18 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
24.965% Question Mark
Registry Population:
Scoped for This Run Only
2 (0.40%) 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 · September 3, 2021

Serial Number 1B594 was reported as accurate.

Anonymous · August 31, 2021

Serial Number 1B594 was reported as accurate.

Anonymous · May 4, 2021

Serial Number 1B594 was reported as accurate.

aconner 62 · February 6, 2021

Serial Number 1B598 was reported as accurate.

Anonymous · May 16, 2020

Serial Number 1B598 was reported as accurate.

Anonymous · February 12, 2020

Serial Number 1B693 was reported as accurate.

Anonymous · November 19, 2019

Serial Number 1B305 was reported as accurate.

Anonymous · October 29, 2019

Serial Number 1B669 was reported as accurate.

scott1301 Supporter 2 · October 16, 2019

Serial Number 1B726 was reported as accurate.

WLBelkriver33 804 · December 12, 2018

Serial Number 1B328 was reported as accurate.

Anonymous · August 20, 2018

Serial Number 1B775 was reported as accurate.

Anonymous · July 2, 2018

Serial Number 1B498 was reported as accurate.

Anonymous · February 18, 2018

Serial Number 1B395 was reported as accurate.

Ball - Hamilton Grade 999B Pocket Watch