Pocket Watch Database

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

Ball - Hamilton

Grade: 999H

Manufacturer: Ball - Hamilton Question Mark
Movement Serial Number: 560403 Question Mark
Grade: 999H Question Mark
Model: 1 Question Mark
Estimated Production Year: 1907 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 7 of 12 Question Mark
Grade/Model Total Production: 8,100 Question Mark
Size: 18s Question Mark
Jewels: 17j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Finish Pattern: Cicular Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Double Roller: Yes 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 5 Positions
Double Roller.
17 Jewels
Sapphire Pallets
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
24.38 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
184.19 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
7.021% Question Mark
Registry Population:
Scoped for This Run Only
2 (0.20%) 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.


cjbrem Supporter 820 · August 24, 2024

Serial Number 560293 was reported as accurate.

Anonymous · August 18, 2024

Serial Number 560633 was reported as accurate.

Anonymous · June 9, 2024

Serial Number 560850 was reported as accurate.

Anonymous · March 5, 2022

Serial Number 560614 was reported as accurate.

bob4watch 7 · February 16, 2022

Serial Number 560660 was reported as accurate.

bob4watch 7 · February 16, 2022

Serial Number 560660 was reported as accurate.

Anonymous · July 11, 2021

Serial Number 560714 was reported as accurate.

Automatic 254 · May 11, 2021

Serial Number 560203 was reported as accurate.

rjmurton1964 34 · January 26, 2021

Serial Number 560051 was reported as accurate.

Anonymous · March 13, 2020

Serial Number 560440 was reported as accurate.

Anonymous · January 31, 2020

Serial Number 560933 was reported as accurate.

Anonymous · October 28, 2019

Serial Number 560058 was reported as accurate.

Anonymous · August 18, 2019

Serial Number 560660 was reported as accurate.

sanderson 35 · April 12, 2019

Serial Number 560820 was reported as accurate.

Anonymous · November 4, 2018

Serial Number 560933 was reported as accurate.

Anonymous · October 30, 2018

Serial Number 560933 was reported as accurate.

Anonymous · August 28, 2018

Serial Number 560731 was reported as accurate.

Anonymous · January 10, 2018

Serial Number 560040 was reported as accurate.

Anonymous · August 16, 2015

Serial Number 560303 was reported as accurate.

Anonymous · February 28, 2015

Serial Number 560119 was reported as accurate.

Anonymous · January 16, 2015

Serial Number 560110 was reported as accurate.

Anonymous · December 31, 2014

Serial Number 560110 was reported as accurate.

Anonymous · November 14, 2014

Serial Number 560087 was reported as accurate.

Anonymous · September 22, 2014

Serial Number 560058 was reported as accurate.

Anonymous · March 10, 2014

Serial Number 560660 was reported as accurate.

Anonymous · March 1, 2014

Serial Number 560855 was reported as accurate.

Anonymous · August 21, 2013

Serial Number 560884 was reported as accurate.

Ball - Hamilton Grade 999H Pocket Watch