Pocket Watch Database

From the American Horology Archive:

Ball - Hamilton

Grade: 999R

Manufacturer: Ball - Hamilton Question Mark
Movement Serial Number: B618178 Question Mark
Grade: 999R Question Mark
Model: 1 Question Mark
Estimated Production Year: 1926 Question Mark
Run Quantity: 2,000 Question Mark
Grade/Model Run: 1 of 1 Question Mark
Grade/Model Total Production: 2,000 Question Mark
Size: 16s Question Mark
Jewels: 23j 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
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.
23 Jewels
Adjusted
5 Positions
Sapphire Pallets
Trade Mark
Case: Various Question Mark
Database Version: v52.518 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
6.02 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
45.39 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
1.734% 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.


Anonymous · August 31, 2024

Serial Number B618078 was reported as accurate.

Anonymous · August 8, 2024

Serial Number B617614 was reported as accurate.

Anonymous · January 28, 2024

Serial Number B617617 was reported as accurate.

2mnyboxers Supporter 408 · June 24, 2023

Serial Number B617704 was reported as accurate.

Anonymous · January 6, 2022

Serial Number B617142 was reported as accurate.

Anonymous · July 9, 2021

Serial Number B617158 was reported as accurate.

Anonymous · July 1, 2021

Serial Number B617158 was reported as accurate.

Anonymous · April 13, 2021

Serial Number B617158 was reported as accurate.

Anonymous · March 13, 2021

Serial Number B617486 was reported as accurate.

Anonymous · December 27, 2020

Serial Number B617610 was reported as inaccurate.

Note: The Grade 999R (the R suffix was assigned by
researchers Walter Kroeker and Art Zimmerla and
was not used among Hamilton factory documentation)
is identified as being a 23 jewel 16 size Ball
Hamilton movement that does not have a gold "RR"
seal inset in the movement plates; total
production of this variant was 2000 with all being
made in a single production run finished between
1925 and 1927. cheers duffy l.

Anonymous · November 12, 2020

Serial Number B617356 was reported as accurate.

Anonymous · February 5, 2020

Serial Number B618010 was reported as accurate.

Anonymous · January 19, 2020

Serial Number B617895 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · January 16, 2020

Serial Number B617895 was reported as accurate.

WLBelkriver33 804 · March 23, 2019

Serial Number B617104 was reported as accurate.

mlstevo Supporter 4 · June 21, 2018

Serial Number B618178 was reported as accurate.

Anonymous · June 21, 2018

Serial Number B618178 was reported as inaccurate.

Note: Model has a 14 karat white gold filled case,
signed Ball Model.
This serial no has Shappire Pallets marked below
the escape wheel.
All else is in order. I will load to my database
with photos shortly

Anonymous · June 2, 2018

Serial Number B618794 was reported as inaccurate.

Note: It says 21 jewels

Anonymous · April 3, 2018

Serial Number B617079 was reported as accurate.

Anonymous · March 25, 2018

Serial Number B618010 was reported as accurate.

Anonymous · May 27, 2017

Serial Number B617362 was reported as accurate.

Anonymous · May 25, 2017

Serial Number B617036 was reported as accurate.

Anonymous · May 16, 2017

Serial Number B617115 was reported as accurate.

Anonymous · March 20, 2017

Serial Number B617976 was reported as accurate.

Anonymous · January 18, 2017

Serial Number B617427 was reported as accurate.

Anonymous · December 22, 2016

Serial Number B617234 was reported as accurate.

Anonymous · September 2, 2016

Serial Number B617552 was reported as accurate.

Anonymous · February 16, 2016

Serial Number B617141 was reported as accurate.

Grizzy Supporter 9 · September 26, 2015

Serial Number B617881 was reported as accurate.

Anonymous · September 14, 2015

Serial Number B617104 was reported as accurate.

Anonymous · June 23, 2015

Serial Number B617755 was reported as accurate.

locomotive Supporter 81 · June 21, 2015

Serial Number B617755 was reported as accurate.

Anonymous · June 19, 2015

Serial Number B617755 was reported as accurate.

Anonymous · June 10, 2015

Serial Number B617614 was reported as accurate.

Anonymous · March 24, 2015

Serial Number B617198 was reported as accurate.

Anonymous · March 24, 2015

Serial Number B617587 was reported as accurate.

Carrato 96 · March 18, 2015

Serial Number B617198 was reported as accurate.

Gasperoff Supporter 727 · March 2, 2015

Serial Number B617198 was reported as accurate.

Anonymous · January 20, 2015

Serial Number B617602 was reported as accurate.

Anonymous · December 17, 2014

Serial Number B617145 was reported as accurate.

Anonymous · February 18, 2014

Serial Number B617292 was reported as accurate.

jibberyerkibber 50 · December 20, 2013

Serial Number B617587 was reported as accurate.

Anonymous · December 18, 2013

Serial Number B617587 was reported as accurate.

Anonymous · November 18, 2013

Serial Number B617479 was reported as accurate.

Anonymous · November 18, 2013

Serial Number B617595 was reported as accurate.

Anonymous · August 18, 2013

Serial Number B617234 was reported as accurate.

Anonymous · August 17, 2013

Serial Number B617234 was reported as accurate.

Anonymous · August 16, 2013

Serial Number B617234 was reported as accurate.

Anonymous · August 16, 2013

Serial Number B617234 was reported as accurate.

Anonymous · August 15, 2013

Serial Number B617234 was reported as accurate.