Pocket Watch Database

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

Ball - Hamilton

Grade: 999B

Manufacturer: Ball - Hamilton
Movement Serial Number: 1B11730
Grade: 999B
Model: 5
Estimated Production Year: 1948
Run Quantity: 5,000
Grade/Model Run: 6 of 12
Grade/Model Total Production: 28,800
Size: 16s
Jewels: 21j
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: Circular
Movement Setting: Lever
Plate: 3/4 Plate
Adjusted: Yes
Adjusted # of Positions: 6
Adjusted to Temperature: Yes
Railroad Grade: Yes
U.S. Patents: D32330
Movement Markings: Official Standard
Ball Watch Co.
Cleveland,O.
999B
21 Jewels
6 Positions Adjusted
Trade Mark
Case: Various
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
86.23
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
655.18
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
24.965%
Registry Population: 32 (0.64%)

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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.


cjbrem Supporter 499 · February 9, 2024

Serial Number 1B10196 was reported as accurate.

Gun4hire Supporter 42 · September 29, 2023

Serial Number 1B12973 was reported as accurate.

ralph1 105 · September 6, 2023

Serial Number 1B9946 was reported as accurate.

Anonymous · August 30, 2023

Serial Number 1B9435 was reported as accurate.

rmwatchandclock Supporter 365 · August 20, 2023

Serial Number 1B12470 was reported as accurate.

WillHume 1 · April 30, 2023

Serial Number 1B13029 was reported as accurate.

ultimatekaiser 35 · April 8, 2023

Serial Number 1B8622 was reported as accurate.

10mueller 38 · December 31, 2022

Serial Number 1B10139 was reported as accurate.

avpalermo Supporter 568 · December 24, 2022

Serial Number 1B13295 was reported as accurate.

Anonymous · March 24, 2022

Serial Number 1B8518 was reported as accurate.

Anonymous · January 20, 2022

Serial Number 1B10535 was reported as accurate.

Anonymous · January 20, 2022

Serial Number 1B10535 was reported as accurate.

Anonymous · October 7, 2021

Serial Number 1B10857 was reported as accurate.

Anonymous · September 8, 2021

Serial Number 1B11558 was reported as accurate.

Anonymous · August 11, 2021

Serial Number 1B12436 was reported as accurate.

dstuartblue 17 · June 21, 2021

Serial Number 1B10741 was reported as accurate.

Anonymous · June 13, 2021

Serial Number 1B12791 was reported as accurate.

Anonymous · May 14, 2021

Serial Number 1B12436 was reported as accurate.

Anonymous · May 9, 2021

Serial Number 1B12260 was reported as accurate.

Anonymous · April 27, 2021

Serial Number 1B9933 was reported as accurate.

Anonymous · April 11, 2021

Serial Number 1B13203 was reported as accurate.

Anonymous · March 11, 2021

Serial Number 1B12234 was reported as accurate.

Anonymous · January 5, 2021

Serial Number 1B10535 was reported as accurate.

Anonymous · December 31, 2020

Serial Number 1B10760 was reported as accurate.

Anonymous · December 31, 2020

Serial Number 1B10760 was reported as accurate.

avpalermo Supporter 568 · December 28, 2020

Serial Number 1B12973 was reported as accurate.

Anonymous · November 13, 2020

Serial Number 1B10644 was reported as accurate.

Caratcoin Supporter 3 · September 23, 2020

Serial Number 1B9805 was reported as accurate.

Anonymous · September 23, 2020

Serial Number 1B9805 was reported as accurate.

Anonymous · August 29, 2020

Serial Number 1B10644 was reported as accurate.

Anonymous · July 31, 2020

Serial Number 1B9646 was reported as accurate.

Anonymous · July 30, 2020

Serial Number 1B9646 was reported as accurate.

dfchong 837 · July 27, 2020

Serial Number 1B10741 was reported as accurate.

dfchong 837 · June 24, 2020

Serial Number 1B8941 was reported as accurate.

Anonymous · June 14, 2020

Serial Number 1B10410 was reported as accurate.

Anonymous · May 22, 2020

Serial Number 1B11599 was reported as accurate.

Anonymous · May 19, 2020

Serial Number 1B9574 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · May 17, 2020

Serial Number 1B10326 was reported as accurate.

Anonymous · May 2, 2020

Serial Number 1B10536 was reported as accurate.

Anonymous · April 12, 2020

Serial Number 1B9610 was reported as accurate.

Anonymous · March 31, 2020

Serial Number 1B9660 was reported as accurate.

Anonymous · March 29, 2020

Serial Number 1B9316 was reported as accurate.

Anonymous · February 22, 2020

Serial Number 1B10559 was reported as accurate.

Anonymous · February 21, 2020

Serial Number 1B11351 was reported as accurate.

Anonymous · February 15, 2020

Serial Number 1B11720 was reported as accurate.

Anonymous · February 1, 2020

Serial Number 1B10515 was reported as accurate.

timekeeper48 Supporter 88 · December 11, 2019

Serial Number 1B8541 was reported as accurate.

dfchong 837 · November 28, 2019

Serial Number 1B9955 was reported as accurate.

dfchong 837 · November 28, 2019

Serial Number 1B9955 was reported as accurate.

Anonymous · October 15, 2019

Serial Number 1B11359 was reported as accurate.

Ball - Hamilton Grade 999B Pocket Watch