Pocket Watch Database

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

Ball - Hamilton

Grade: 999B

Manufactured by Hamilton, Official Standard

Manufacturer: Ball - Hamilton
Movement Serial Number: 1B1228
Grade: 999B
Model: 5
Estimated Production Year: 1945
Size: 16s
Jewels: 21j
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: Circular Damascening Pattern
Movement Setting: Lever
Plate: 3/4 Plate
Adjusted: Yes
Adjusted # of Positions: 6
Adjusted to Temperature: Yes
Railroad Grade: Yes

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Data Verification Reports

Anonymous · February 22, 2020

Serial Number 1B1356 was reported as accurate.

Anonymous · March 4, 2019

Serial Number 1B958 was reported as accurate.

Joerealtor 74 · February 16, 2018

Serial Number 1B958 was reported as accurate.

Anonymous · October 12, 2017

Serial Number 1B880 was reported as accurate.

Anonymous · September 29, 2017

Serial Number 1B1117 was reported as accurate.

Ball - Hamilton Grade 999B Pocket Watch Movement