Pocket Watch Database

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

Ball - Hamilton

Grade: 999H

Manufacturer: Ball - Hamilton
Movement Serial Number: 488308
Grade: 999H
Model: 1
Estimated Production Year: 1905
Run Quantity: 1,000
Grade/Model Run: 4 of 12
Grade/Model Total Production: 8,100
Size: 18s
Jewels: 17j
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: Circular
Movement Setting: Lever
Plate: Full Plate
Double Roller: Yes
Adjusted: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Railroad Grade: Yes
U.S. Patents: 565955
Movement Markings: Official RR Standard
999
The Ball Watch Co. Cleveland.
Adjusted
Double Roller.
17 Jewels
Sapphire Pallets
Safety Pinion
Trade Mark
Patented No.17.96
Pat.Aug.18'96.
Case: Various
Database Version: v52.221
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
24.25
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
184.19
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
7.021%
Registry Population: 5 (0.50%)
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.


CJEmpire3 100 · January 31, 2023

Serial Number 488153 was reported as accurate.

Anonymous · April 19, 2022

Serial Number 488656 was reported as accurate.

Anonymous · September 1, 2021

Serial Number 488932 was reported as accurate.

Anonymous · June 23, 2021

Serial Number 488063 was reported as accurate.

Anonymous · March 2, 2021

Serial Number 488756 was reported as accurate.

Anonymous · December 9, 2020

Serial Number 488756 was reported as accurate.

Anonymous · July 18, 2020

Serial Number 488652 was reported as accurate.

Anonymous · July 3, 2020

Serial Number 488504 was reported as accurate.

Anonymous · March 25, 2020

Serial Number 488416 was reported as accurate.

Anonymous · January 7, 2020

Serial Number 488283 was reported as accurate.

Anonymous · August 13, 2019

Serial Number 488772 was reported as accurate.

Anonymous · March 26, 2019

Serial Number 488750 was reported as accurate.

WLBelkriver33 804 · March 17, 2019

Serial Number 488551 was reported as accurate.

Anonymous · November 10, 2018

Serial Number 488181 was reported as accurate.

Anonymous · September 29, 2018

Serial Number 488656 was reported as accurate.

Anonymous · August 23, 2018

Serial Number 488652 was reported as accurate.

Joerealtor 74 · February 16, 2018

Serial Number 488132 was reported as accurate.

Joerealtor 74 · February 16, 2018

Serial Number 488181 was reported as accurate.

Swatchild 20 · January 5, 2018

Serial Number 488560 was reported as accurate.

Anonymous · November 28, 2017

Serial Number 488181 was reported as accurate.

Anonymous · June 23, 2017

Serial Number 488305 was reported as accurate.

Anonymous · December 8, 2016

Serial Number 488725 was reported as accurate.

Anonymous · August 7, 2015

Serial Number 488251 was reported as accurate.

Anonymous · December 12, 2014

Serial Number 488710 was reported as accurate.

Anonymous · October 16, 2014

Serial Number 488308 was reported as accurate.

Anonymous · October 1, 2014

Serial Number 488596 was reported as accurate.

dlabree14 36 · October 21, 2013

Serial Number 488459 was reported as accurate.

Anonymous · October 19, 2013

Serial Number 488340 was reported as accurate.

Ball - Hamilton Grade 999H Pocket Watch