Pocket Watch Database

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

Ball - Hamilton

Grade: 999A

Manufacturer: Ball - Hamilton
Movement Serial Number: 533452
Grade: 999A
Model: 1
Estimated Production Year: 1907
Run Quantity: 800
Grade/Model Run: 17 of 25
Grade/Model Total Production: 14,000
Size: 18s
Jewels: 21j
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: Sunburst
Movement Setting: Lever
Plate: Full Plate
Double Roller: Yes
Regulator: Ball
Adjusted: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Railroad Grade: Yes
U.S. Patents: D25695, 565955
Movement Markings: Official RR Standard
999
The Ball Watch Co. Cleveland.
Adjusted 5 Positions
Double Roller.
21 Jewels
Sapphire Pallets
Safety Pinion
Trade Mark
Patented June 30'96
Pat.Aug.18'96.
Case: Various
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
41.91
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
318.43
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
12.136%
Registry Population: 10 (1.25%)
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.


luk101 1 · July 13, 2022

Serial Number 533864 was reported as accurate.

Anonymous · July 12, 2022

Serial Number 533864 was reported as accurate.

Anonymous · July 12, 2022

Serial Number 533864 was reported as accurate.

Anonymous · July 12, 2022

Serial Number 533864 was reported as accurate.

DaveReid 52 · December 12, 2021

Serial Number 533423 was reported as accurate.

gergnosretep Supporter 26 · November 4, 2020

Serial Number 533504 was reported as accurate.

gergnosretep Supporter 26 · November 4, 2020

Serial Number 533504 was reported as accurate.

slufdriver 60 · November 2, 2020

Serial Number 533839 was reported as accurate.

Anonymous · October 6, 2020

Serial Number 533646 was reported as accurate.

Anonymous · June 28, 2020

Serial Number 533290 was reported as accurate.

Anonymous · April 25, 2020

Serial Number 533350 was reported as accurate.

Anonymous · April 6, 2020

Serial Number 533698 was reported as accurate.

Anonymous · April 4, 2020

Serial Number 533384 was reported as accurate.

Anonymous · February 1, 2020

Serial Number 533878 was reported as accurate.

Anonymous · January 21, 2020

Serial Number 533201 was reported as accurate.

Anonymous · January 16, 2020

Serial Number 533852 was reported as accurate.

Anonymous · December 22, 2019

Serial Number 533445 was reported as accurate.

Anonymous · December 18, 2019

Serial Number 533952 was reported as accurate.

Anonymous · December 10, 2019

Serial Number 533952 was reported as accurate.

Ivorycat74 1 · November 24, 2019

Serial Number 533452 was reported as accurate.

Anonymous · October 31, 2019

Serial Number 533698 was reported as accurate.

Anonymous · September 19, 2019

Serial Number 533290 was reported as accurate.

Anonymous · February 24, 2019

Serial Number 533614 was reported as accurate.

WatchRod 6 · September 30, 2018

Serial Number 533730 was reported as accurate.

Anonymous · August 28, 2018

Serial Number 533730 was reported as accurate.

barberr1 67 · May 11, 2018

Serial Number 533693 was reported as accurate.

USNRet 140 · March 19, 2018

Serial Number 533573 was reported as accurate.

Anonymous · August 8, 2017

Serial Number 533333 was reported as accurate.

rock862 242 · August 30, 2016

Serial Number 533604 was reported as accurate.

rock862 242 · May 25, 2016

Serial Number 533707 was reported as accurate.

Anonymous · September 15, 2015

Serial Number 533391 was reported as accurate.

Anonymous · March 29, 2015

Serial Number 533699 was reported as accurate.

Anonymous · March 21, 2015

Serial Number 533937 was reported as accurate.

Wrstratton 134 · January 29, 2014

Serial Number 533656 was reported as accurate.

JYinME 3 · January 6, 2014

Serial Number 533914 was reported as accurate.

ipraetorian 29 · December 16, 2013

Serial Number 533775 was reported as accurate.

eplebuch Supporter 12 · June 17, 2013

Serial Number 533754 was reported as accurate.

Ball - Hamilton Grade 999A Pocket Watch