Pocket Watch Database

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

Ball - Hamilton

Grade: 999A

Manufacturer: Ball - Hamilton Question Mark
Movement Serial Number: 463000 Question Mark
Grade: 999A Question Mark
Model: 1 Question Mark
Estimated Production Year: 1904 Question Mark
Run Quantity: 8,000 Question Mark
Grade/Model Run: 13 of 25 Question Mark
Grade/Model Total Production: 14,000 Question Mark
Size: 18s Question Mark
Jewels: 21j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Finish Pattern: Pinwheel Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Double Roller: Yes Question Mark
Regulator: Ball Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: Yes Question Mark
U.S. Patents: D25695, 565955 Question Mark
Movement Markings: Official RR Standard
999
The Ball Watch Co. Cleveland.
Adjusted
Double Roller.
21 Jewels
Sapphire Pallets
Safety Pinion
Trade Mark
Patented June 30'96
Pat.Aug.18'96.
Case: Various Question Mark
Database Version: v52.526 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
42.15 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
318.43 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
12.136% Question Mark
Registry Population:
Scoped for This Run Only
6 (0.08%) Question Mark
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 · March 7, 2024

Serial Number 462281 was reported as accurate.

Anonymous · December 11, 2023

Serial Number 462791 was reported as accurate.

Anonymous · June 26, 2023

Serial Number 462905 was reported as accurate.

Anonymous · July 28, 2022

Serial Number 462205 was reported as accurate.

brg404 32 · May 21, 2022

Serial Number 462359 was reported as accurate.

Anonymous · December 19, 2020

Serial Number 462005 was reported as accurate.

Anonymous · November 23, 2020

Serial Number 462005 was reported as accurate.

Anonymous · October 26, 2020

Serial Number 462614 was reported as accurate.

Anonymous · April 8, 2020

Serial Number 462691 was reported as accurate.

Anonymous · July 12, 2019

Serial Number 464114 was reported as accurate.

Anonymous · May 14, 2019

Serial Number 462571 was reported as accurate.

Anonymous · April 11, 2019

Serial Number 462258 was reported as accurate.

Anonymous · September 27, 2018

Serial Number 462041 was reported as accurate.

Anonymous · September 23, 2018

Serial Number 462014 was reported as accurate.

nostaw 16 · June 8, 2018

Serial Number 463000 was reported as accurate.

nostaw 16 · June 8, 2018

Serial Number 463000 was reported as accurate.

Anonymous · December 5, 2017

Serial Number 462097 was reported as accurate.

Anonymous · August 17, 2017

Serial Number 462749 was reported as accurate.

Gimparoo Supporter 703 · June 9, 2017

Serial Number 463010 was reported as accurate.

Anonymous · June 13, 2016

Serial Number 462993 was reported as accurate.

Anonymous · April 22, 2016

Serial Number 467488 was reported as accurate.

Anonymous · October 25, 2015

Serial Number 462163 was reported as accurate.

rock862 242 · October 19, 2015

Serial Number 462412 was reported as accurate.

rock862 242 · October 15, 2015

Serial Number 462412 was reported as accurate.

Anonymous · July 12, 2015

Serial Number 462009 was reported as accurate.

Anonymous · April 24, 2015

Serial Number 462678 was reported as accurate.

Anonymous · April 24, 2015

Serial Number 464678 was reported as accurate.

Anonymous · November 28, 2014

Serial Number 462787 was reported as accurate.

Anonymous · November 19, 2014

Serial Number 462083 was reported as accurate.

Anonymous · June 29, 2014

Serial Number 462791 was reported as accurate.

Anonymous · July 12, 2013

Serial Number 465359 was reported as inaccurate.

No further details were submitted with the report.
Ball - Hamilton Grade 999A Pocket Watch