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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/ball-waltham/B643007
Access Date: February 25, 2025
From the American Horology Archive:
Ball - Waltham

Grade: Queen

Manufacturer: Ball - Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: B643007 Question Mark
Grade: Queen Question Mark
Model: 1900 Question Mark
Estimated Production Year: 1903 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 8 of 8 Question Mark
Grade/Model Total Production: 3,000 Question Mark
Size: 0s Question Mark
Jewels: 16j or 17j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever Question Mark
Adjusted: Yes Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Database Version: v52.614 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 4.81 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 27.29 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 1.695% Question Mark
Registry Population:
Scoped for This Run Only		1 (0.10%) Question Mark
Research Note: Overlapped Production. These serial numbers were also used by Hamilton for Ball production. See the Ball Hamilton data if movement does not match.; Corresponds to Waltham Serial run starting with #12,642,501
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Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There is 1 watch in the population registry for this run.
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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.

ralph1 115 · July 10, 2024

Serial Number B643200 was reported as inaccurate.

Note: this a hunter movement

Anonymous · February 4, 2024

Serial Number B643328 was reported as accurate.

Anonymous · January 2, 2023

Serial Number B642694 was reported as accurate.

Anonymous · June 29, 2022

Serial Number B643120 was reported as accurate.

srensmon 4 · December 12, 2021

Serial Number B643007 was reported as accurate.

fred1677 1 · September 3, 2021

Serial Number B643469 was reported as inaccurate.

Note: this movement is
Ball Waltham
Size 16S, 21J
Just joined and will send picture
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · April 3, 2020

Serial Number B642571 was reported as inaccurate.

Note: Listed as 16 jewels
Has 17 jewels

Anonymous · July 20, 2019

Serial Number B643391 was reported as inaccurate.

Note: my pocket watch serial number b643391 is a 21
jewels pocket watch and size is 51mm case adn
40.5mm movement
Curator Response: There are two Ball runs that utilize these serial numbers. You are looking for this result: https://pocketwatchdatabase.com/search/result/ball-hamilton/B643391.

Anonymous · July 16, 2019

Serial Number B642964 was reported as inaccurate.

Note: BALL OFFICIAL RAILROAD STANDARD
CLEVELAND 21 JEWEL MOVEMENT

Anonymous · September 25, 2018

Serial Number B642734 was reported as inaccurate.

Note: 21 Jewell not 16 or 191
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0

Anonymous · June 26, 2018

Serial Number B643083 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to Queen

Anonymous · March 8, 2018

Serial Number B643229 was reported as inaccurate.

Note: 21 Jewels.
Curator Response: Thanks for the report. Both Hamilton and Waltham utilized this serial number for Ball movements. That watch is a Hamilton Ball and this lookup page is for the Waltham Ball.
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0

cmdraven 4090 · February 13, 2018

Serial Number B643102 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to Queen

Anonymous · December 7, 2017

Serial Number B642981 was reported as inaccurate.

Note: movement setting is pendant
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0

Anonymous · December 7, 2017

Serial Number B642981 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to Queen

Anonymous · October 14, 2017

Serial Number B643128 was reported as inaccurate.

Note: Stamped 21 jewels not 17 per the database. Also
this is a 5 position adjusted Rail Road standard
watch.
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0

Anonymous · June 22, 2016

Serial Number B643023 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to Queen

Anonymous · June 4, 2016

Serial Number B643023 was reported as inaccurate.

Note: the plate for thus watch Showa a 16/21 ball-
Hamilton .......,..current database information is
completely wrong.
Curator Response: Please note that this serial range was used for both Waltham and Hamilton Ball runs, as indicated at the top of the page when conducting a general search under "Ball." Please try the result at the following link: https://pocketwatchdatabase.com/search/result/ball-hamilton/B643023
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0

Anonymous · June 3, 2016

Serial Number B643023 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to Queen

Anonymous · March 21, 2016

Serial Number B642625 was reported as inaccurate.

Note: The movement I'm looking at says 17 jewels and has
the Queen written on it it says adjusted but
doesn't say how many positions.
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0

Anonymous · December 18, 2015

Serial Number B643279 was reported as inaccurate.

Note: The one I have is 21J
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0

Anonymous · August 16, 2015

Serial Number B643255 was reported as inaccurate.

Note: the one I hve is 21J
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0

Anonymous · August 7, 2015

Serial Number B642833 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0

Anonymous · July 20, 2015

Serial Number B642833 was reported as inaccurate.

Note: 16s Hamilton Ball 21J
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0

olynleroy Supporter 4 · April 25, 2015

Serial Number B642835 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0

olynleroy Supporter 4 · April 25, 2015

Serial Number B642835 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0

olynleroy Supporter 4 · April 25, 2015

Serial Number B642835 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0

olynleroy Supporter 4 · April 25, 2015

Serial Number B642835 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0

olynleroy Supporter 4 · April 25, 2015

Serial Number B642835 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0

olynleroy Supporter 4 · April 25, 2015

Serial Number B642835 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0

olynleroy Supporter 4 · April 25, 2015

Serial Number B642835 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0

olynleroy Supporter 4 · April 25, 2015

Serial Number B642835 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0

olynleroy Supporter 4 · April 25, 2015

Serial Number B642835 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0

olynleroy Supporter 4 · April 25, 2015

Serial Number B642835 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0

olynleroy Supporter 4 · April 25, 2015

Serial Number B642835 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0

Anonymous · January 16, 2015

Serial Number B643400 was reported as inaccurate.

Note: 3/4 plate
pendant set - not lever set
hunter case configuration
"0" size
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0

Anonymous · October 29, 2014

Serial Number B642734 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0

Anonymous · October 29, 2014

Serial Number B642784 was reported as inaccurate.

Note: jewels.size
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0

Railroad 34 · March 25, 2014

Serial Number B642572 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to Queen

Anonymous · January 4, 2014

Serial Number B642799 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0

Anonymous · December 29, 2013

Serial Number B642799 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Grade changed from Unknown to Queen
Size changed from Unknown to 0