Pocket Watch Database

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

Ball - Hamilton

Grade: 999H

Manufacturer: Ball - Hamilton
Movement Serial Number: 534123
Grade: 999H
Model: 1
Estimated Production Year: 1906
Run Quantity: 1,000
Grade/Model Run: 6 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: v52.219
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: 9 (0.90%)
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 · January 8, 2021

Serial Number 534608 was reported as accurate.

Anonymous · November 26, 2020

Serial Number 534170 was reported as accurate.

Anonymous · September 20, 2020

Serial Number 534406 was reported as accurate.

Anonymous · June 24, 2020

Serial Number 534372 was reported as accurate.

Anonymous · October 19, 2019

Serial Number 534779 was reported as accurate.

Anonymous · April 28, 2019

Serial Number 534608 was reported as accurate.

Anonymous · March 22, 2018

Serial Number 534364 was reported as accurate.

Anonymous · May 2, 2017

Serial Number 534233 was reported as accurate.

Gasperoff Supporter 727 · February 9, 2017

Serial Number 534444 was reported as accurate.

Anonymous · November 15, 2016

Serial Number 534779 was reported as accurate.

Anonymous · December 6, 2015

Serial Number 534300 was reported as accurate.

mshuman 4 · November 13, 2015

Serial Number 534971 was reported as accurate.

Anonymous · December 21, 2014

Serial Number 534292 was reported as accurate.

Anonymous · December 10, 2014

Serial Number 534292 was reported as accurate.

Anonymous · June 24, 2014

Serial Number 534518 was reported as accurate.

Timeswept2 92 · May 1, 2014

Serial Number 534853 was reported as accurate.

Anonymous · December 20, 2013

Serial Number 534247 was reported as accurate.

Anonymous · December 15, 2013

Serial Number 534624 was reported as accurate.

Anonymous · December 14, 2013

Serial Number 534247 was reported as accurate.

grgrywils 8 · November 26, 2013

Serial Number 534401 was reported as accurate.

Anonymous · September 19, 2013

Serial Number 534984 was reported as accurate.

avs1244 5 · August 9, 2013

Serial Number 534336 was reported as accurate.

Ball - Hamilton Grade 999H Pocket Watch