Pocket Watch Database

From the American Horology Archive:

Ball - Hamilton

Grade: 999P

Manufacturer: Ball - Hamilton
Movement Serial Number: B640864
Grade: 999P
Model: 1
Estimated Production Year: 1934-1936
Run Quantity: 4,000
Total Production: 40,300
Size: 16s
Jewels: 21j
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: Circular
Movement Setting: Lever
Plate: 3/4 Plate
Barrel: Going
Adjusted: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Railroad Grade: Yes
U.S. Patents: D32330
Movement Markings: Official Standard
Ball Watch Co.
Cleveland,O.
21 Jewels
Adjusted
5 Positions
Sapphire Pallets
Trade Mark
Case: Various
Database Version: v48.258

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

Data Verification Reports

B640001
Verification Serial Map
B644000

Anonymous · March 8, 2022

Serial Number B642700 was reported as accurate.

Anonymous · November 16, 2021

Serial Number B642383 was reported as accurate.

Anonymous · September 20, 2021

Serial Number B640813 was reported as accurate.

mdmiller99 Supporter 26 · September 11, 2021

Serial Number B642356 was reported as accurate.

WatchingU 9 · August 27, 2021

Serial Number B643659 was reported as accurate.

mdmiller99 Supporter 26 · July 18, 2021

Serial Number B642356 was reported as accurate.

clockingscotty 107 · June 30, 2021

Serial Number B641010 was reported as accurate.

Anonymous · June 7, 2021

Serial Number B640218 was reported as accurate.

Anonymous · May 31, 2021

Serial Number B643657 was reported as accurate.

Anonymous · May 12, 2021

Serial Number B642356 was reported as accurate.

Anonymous · April 6, 2021

Serial Number B642388 was reported as accurate.

Anonymous · February 17, 2021

Serial Number B642274 was reported as accurate.

Anonymous · December 27, 2020

Serial Number B640465 was reported as accurate.

Anonymous · December 26, 2020

Serial Number B640753 was reported as accurate.

Anonymous · October 14, 2020

Serial Number B640373 was reported as accurate.

Anonymous · March 4, 2020

Serial Number B641735 was reported as accurate.

Anonymous · February 7, 2020

Serial Number B640993 was reported as accurate.

Anonymous · January 28, 2020

Serial Number B642211 was reported as accurate.

Anonymous · April 10, 2019

Serial Number B643844 was reported as accurate.

Anonymous · March 30, 2019

Serial Number B643469 was reported as accurate.

Anonymous · September 30, 2018

Serial Number B643939 was reported as accurate.

Anonymous · September 23, 2018

Serial Number B643939 was reported as accurate.

Anonymous · August 23, 2018

Serial Number B642734 was reported as accurate.

Anonymous · August 11, 2018

Serial Number B641713 was reported as inaccurate.

Note: Ball Watch Company Cleveland
Larger than size 16
16 Jewels
Patent Nov 17.98

andtohellwesail 3 · August 10, 2018

Serial Number B641542 was reported as inaccurate.

Note: B641542 is a 16j hunter configuration, stamped
commercial standard.

Anonymous · July 19, 2018

Serial Number B643713 was reported as accurate.

cmdraven 3391 · May 26, 2018

Serial Number B642872 was reported as accurate.

Anonymous · May 23, 2018

Serial Number B640732 was reported as accurate.

tav396 44 · April 7, 2018

Serial Number B643276 was reported as accurate.

Anonymous · April 2, 2018

Serial Number B643855 was reported as accurate.

Anonymous · March 30, 2018

Serial Number B643855 was reported as accurate.

Anonymous · March 18, 2018

Serial Number B643855 was reported as accurate.

Anonymous · February 21, 2018

Serial Number B641988 was reported as accurate.

Anonymous · December 3, 2017

Serial Number B642752 was reported as accurate.

Anonymous · November 12, 2017

Serial Number B641988 was reported as accurate.

Anonymous · October 14, 2017

Serial Number B643128 was reported as accurate.

Anonymous · August 9, 2017

Serial Number B641762 was reported as accurate.

Anonymous · June 24, 2017

Serial Number B641522 was reported as accurate.

Anonymous · January 25, 2017

Serial Number B642084 was reported as accurate.

JPALAZZO 14 · July 16, 2016

Serial Number B643023 was reported as accurate.

Anonymous · March 18, 2016

Serial Number B641319 was reported as accurate.

Anonymous · March 6, 2016

Serial Number B641319 was reported as accurate.

Anonymous · February 27, 2016

Serial Number B641274 was reported as accurate.

Anonymous · January 16, 2016

Serial Number B642840 was reported as accurate.

Anonymous · January 3, 2016

Serial Number B640375 was reported as accurate.

daddo46 975 · December 4, 2015

Serial Number B641868 was reported as accurate.

Anonymous · August 23, 2015

Serial Number B640378 was reported as accurate.

Anonymous · August 7, 2015

Serial Number B642833 was reported as accurate.

Anonymous · June 18, 2015

Serial Number B641929 was reported as inaccurate.

Note: 16J, no grade # , marked commercial standard,
pendent set,

Anonymous · June 3, 2015

Serial Number B641915 was reported as accurate.

dammit101 25 · May 22, 2015

Serial Number B640425 was reported as accurate.

philsan1a 221 · May 14, 2015

Serial Number B643657 was reported as accurate.

Gasperoff 727 · February 26, 2015

Serial Number B640815 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · January 16, 2015

Serial Number B642878 was reported as accurate.

Anonymous · January 4, 2015

Serial Number B640124 was reported as accurate.

Anonymous · December 29, 2014

Serial Number B640020 was reported as accurate.

Anonymous · November 24, 2014

Serial Number B643870 was reported as accurate.

Anonymous · October 31, 2014

Serial Number B640434 was reported as accurate.

Anonymous · March 7, 2014

Serial Number B643525 was reported as accurate.

watchitdude 39 · February 22, 2014

Serial Number B641149 was reported as accurate.

Anonymous · January 4, 2014

Serial Number B642799 was reported as inaccurate.

Note: My watch is a Ball, Official RR Standard
Cleveland. { Inside case on rear plate states that
it is a Bunn Special Wadsworth quality 10 carat
gold filled. PAT'S PEND'G 7279227.) The works
inside says 5 positions, Ball Watch Co. Cleveland
OH, 21 jewels. I don't know if this is any help
but it is all I know. It doesn't say Hamilton
anywhere.

Anonymous · December 29, 2013

Serial Number B642799 was reported as accurate.

Anonymous · October 26, 2013

Serial Number B640707 was reported as accurate.