Pocket Watch Database

From the American Horology Archive:

Ball - Hamilton

Grade: 999P

Manufacturer: Ball - Hamilton Question Mark
Movement Serial Number: B646775 Question Mark
Grade: 999P Question Mark
Model: 1 Question Mark
Estimated Production Year: 1938 Question Mark
Run Quantity: 2,000 Question Mark
Grade/Model Run: 13 of 15 Question Mark
Grade/Model Total Production: 40,300 Question Mark
Size: 16s Question Mark
Jewels: 21j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Finish Pattern: Circular Question Mark
Movement Setting: Lever Question Mark
Plate: 3/4 Plate Question Mark
Barrel: Going Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: Yes Question Mark
U.S. Patents: D32330 Question Mark
Movement Markings: Official Standard
Ball Watch Co.
Cleveland,O.
21 Jewels
Adjusted
5 Positions
Sapphire Pallets
Trade Mark
Case: Various Question Mark
Database Version: v52.433 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
121.33 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
916.84 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
34.934% Question Mark
Registry Population:
Scoped for This Run Only
8 (0.40%) Question Mark
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.


MoatsJustin1 top-contributor 5266 · October 19, 2024

Serial Number B647947 was reported as accurate.

Anonymous · October 1, 2024

Serial Number B646379 was reported as accurate.

Anonymous · January 5, 2024

Serial Number B646544 was reported as accurate.

Anonymous · November 14, 2022

Serial Number B647911 was reported as accurate.

pmtime Supporter 612 · July 30, 2022

Serial Number B647722 was reported as accurate.

Anonymous · February 23, 2022

Serial Number B647125 was reported as accurate.

Anonymous · January 25, 2022

Serial Number B646757 was reported as accurate.

Anonymous · January 24, 2022

Serial Number B647911 was reported as accurate.

Anonymous · October 16, 2021

Serial Number B646033 was reported as accurate.

avpalermo Supporter 644 · September 19, 2021

Serial Number B647278 was reported as accurate.

avpalermo Supporter 644 · June 7, 2020

Serial Number B646512 was reported as accurate.

Anonymous · May 13, 2020

Serial Number B646512 was reported as accurate.

Anonymous · December 1, 2019

Serial Number B646856 was reported as accurate.

Anonymous · November 29, 2019

Serial Number B646512 was reported as accurate.

Anonymous · November 18, 2019

Serial Number B647328 was reported as accurate.

hnkphoto 1 · November 7, 2019

Serial Number B646490 was reported as accurate.

Anonymous · October 7, 2019

Serial Number B647000 was reported as accurate.

Anonymous · June 5, 2019

Serial Number B646810 was reported as accurate.

Anonymous · June 2, 2019

Serial Number B646201 was reported as accurate.

Anonymous · March 23, 2019

Serial Number B647100 was reported as accurate.

Anonymous · March 21, 2019

Serial Number B646551 was reported as accurate.

Anonymous · March 21, 2019

Serial Number B646551 was reported as accurate.

Anonymous · January 17, 2019

Serial Number B646184 was reported as accurate.

Anonymous · October 29, 2018

Serial Number B647887 was reported as accurate.

Anonymous · September 29, 2018

Serial Number B647079 was reported as accurate.

Anonymous · July 12, 2018

Serial Number B646757 was reported as accurate.

Anonymous · May 25, 2018

Serial Number B647259 was reported as accurate.

Anonymous · April 19, 2018

Serial Number B647006 was reported as accurate.

Anonymous · March 26, 2018

Serial Number B647683 was reported as accurate.

Anonymous · February 16, 2018

Serial Number B646532 was reported as accurate.

Joerealtor 74 · February 16, 2018

Serial Number B647100 was reported as accurate.

Anonymous · October 29, 2017

Serial Number B646266 was reported as accurate.

JACKLY 1 · October 11, 2017

Serial Number B646516 was reported as accurate.

Anonymous · May 9, 2017

Serial Number B646270 was reported as accurate.

Anonymous · February 11, 2017

Serial Number B647726 was reported as accurate.

Anonymous · February 5, 2017

Serial Number B646681 was reported as accurate.

Anonymous · July 16, 2016

Serial Number B647442 was reported as accurate.

Anonymous · May 1, 2016

Serial Number B646433 was reported as accurate.

Anonymous · December 31, 2015

Serial Number B646184 was reported as accurate.

rock862 242 · November 15, 2015

Serial Number B647338 was reported as accurate.

Anonymous · August 9, 2015

Serial Number B647883 was reported as accurate.

Anonymous · May 27, 2015

Serial Number B646311 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · September 24, 2014

Serial Number B647000 was reported as accurate.

Anonymous · August 8, 2014

Serial Number B647048 was reported as accurate.

Grandlodge1983 2 · August 4, 2014

Serial Number B647048 was reported as accurate.

Anonymous · July 29, 2014

Serial Number B647048 was reported as accurate.

Rickster 3 · November 19, 2013

Serial Number B647847 was reported as accurate.

69abody 166 · October 16, 2013

Serial Number B646672 was reported as accurate.

Anonymous · October 9, 2013

Serial Number B647797 was reported as accurate.

Anonymous · July 16, 2013

Serial Number B647149 was reported as accurate.