Pocket Watch Database

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

Ball - Hamilton

Grade: 999A

Manufacturer: Ball - Hamilton
Movement Serial Number: 548623
Grade: 999A
Model: 1
Estimated Production Year: 1908
Run Quantity: 1,000
Total Production: 14,000
Size: 18s
Jewels: 21j
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: Pinwheel
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: v48.508

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Data Verification Reports

548001
Verification Serial Map
549000

Anonymous · July 19, 2022

Serial Number 548595 was reported as accurate.

Anonymous · December 2, 2021

Serial Number 548427 was reported as accurate.

Anonymous · August 1, 2021

Serial Number 548638 was reported as accurate.

Anonymous · August 1, 2021

Serial Number 548410 was reported as accurate.

Artworks 8 · July 29, 2021

Serial Number 548810 was reported as accurate.

Anonymous · July 17, 2021

Serial Number 548158 was reported as accurate.

netmind 42 · October 1, 2020

Serial Number 548623 was reported as accurate.

Artworks 8 · July 23, 2020

Serial Number 548810 was reported as accurate.

Anonymous · June 1, 2020

Serial Number 548235 was reported as accurate.

Anonymous · November 11, 2019

Serial Number 548783 was reported as accurate.

Anonymous · October 11, 2019

Serial Number 548427 was reported as accurate.

dfchong 837 · August 3, 2019

Serial Number 548859 was reported as accurate.

Anonymous · June 30, 2019

Serial Number 548307 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · April 7, 2019

Serial Number 548503 was reported as accurate.

Anonymous · February 1, 2019

Serial Number 548198 was reported as accurate.

barberr1 67 · May 11, 2018

Serial Number 548237 was reported as accurate.

Anonymous · September 2, 2016

Serial Number 548674 was reported as accurate.

Anonymous · August 30, 2016

Serial Number 548796 was reported as accurate.

Anonymous · August 18, 2016

Serial Number 548796 was reported as accurate.

Anonymous · August 18, 2016

Serial Number 548796 was reported as accurate.

Anonymous · August 18, 2016

Serial Number 548796 was reported as accurate.

Anonymous · April 13, 2016

Serial Number 548165 was reported as accurate.

Anonymous · April 11, 2016

Serial Number 548165 was reported as accurate.

Anonymous · March 2, 2016

Serial Number 548569 was reported as accurate.

philsan1a 221 · June 2, 2015

Serial Number 548374 was reported as accurate.

philsan1a 221 · June 2, 2015

Serial Number 548374 was reported as accurate.

philsan1a 221 · June 2, 2015

Serial Number 548374 was reported as accurate.

Anonymous · March 13, 2015

Serial Number 548901 was reported as accurate.

Anonymous · December 24, 2014

Serial Number 548538 was reported as accurate.

Anonymous · November 13, 2014

Serial Number 548390 was reported as accurate.

Anonymous · November 8, 2014

Serial Number 548837 was reported as accurate.

Anonymous · December 6, 2013

Serial Number 548832 was reported as accurate.

Ball - Hamilton Grade 999A Pocket Watch