Pocket Watch Database

From the American Horology Archive:

Ball - Hamilton

Grade: 999M

Manufacturer: Ball - Hamilton Question Mark
Movement Serial Number: B600624 Question Mark
Grade: 999M Question Mark
Model: 1 Question Mark
Estimated Production Year: 1911 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 1 of 3 Question Mark
Grade/Model Total Production: 2,300 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: Motor 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: D26267, D32330 Question Mark
Movement Markings: Official RR Standard
Ball Watch Co.
Cleveland,O.
21 Jewels
Adjusted
5 Positions
Motor Barrel
Pat.Nov 17 96
Sapphire Pallets
Pat.Dec.8.08.
Trade Mark
Case: Various Question Mark
Database Version: v52.431 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
6.92 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
52.22 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
1.994% Question Mark
Registry Population:
Scoped for This Run Only
7 (0.70%) Question Mark
Research Note: Gold RR Seal, Ball Patent 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 · April 12, 2024

Serial Number B600471 was reported as accurate.

Anonymous · January 30, 2024

Serial Number B600692 was reported as accurate.

Anonymous · October 15, 2022

Serial Number B600178 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · July 28, 2022

Serial Number B600267 was reported as accurate.

WIZARDofWARLOCK Supporter 24 · September 20, 2021

Serial Number B600777 was reported as accurate.

Anonymous · September 2, 2021

Serial Number B600676 was reported as accurate.

Anonymous · August 30, 2021

Serial Number B600686 was reported as accurate.

Anonymous · February 13, 2020

Serial Number B600120 was reported as accurate.

BobSchemel 8 · June 17, 2019

Serial Number B600838 was reported as accurate.

Anonymous · February 25, 2019

Serial Number B600810 was reported as accurate.

WLBelkriver33 804 · February 24, 2019

Serial Number B600810 was reported as accurate.

Anonymous · June 27, 2018

Serial Number B600284 was reported as accurate.

Anonymous · March 5, 2018

Serial Number B600187 was reported as accurate.

Anonymous · February 24, 2017

Serial Number B600808 was reported as accurate.

Anonymous · September 29, 2016

Serial Number B600144 was reported as accurate.

Anonymous · May 9, 2016

Serial Number B600144 was reported as accurate.

Anonymous · February 24, 2016

Serial Number B600853 was reported as accurate.

Anonymous · February 23, 2016

Serial Number B600853 was reported as accurate.

Anonymous · September 6, 2015

Serial Number B600380 was reported as accurate.

Anonymous · July 30, 2015

Serial Number B600808 was reported as inaccurate.

Note: Not a 3/4 bridge, has a train bridge and barrel
bridge

Anonymous · July 30, 2015

Serial Number B600808 was reported as accurate.

Anonymous · January 24, 2015

Serial Number B600593 was reported as accurate.

Anonymous · January 11, 2015

Serial Number B600363 was reported as accurate.

Anonymous · December 9, 2014

Serial Number B600092 was reported as accurate.

Anonymous · December 9, 2014

Serial Number B600092 was reported as accurate.

PANHANDLEPETE 7 · September 2, 2014

Serial Number B600624 was reported as accurate.

PANHANDLEPETE 7 · August 26, 2014

Serial Number B600624 was reported as accurate.

PANHANDLEPETE 7 · August 26, 2014

Serial Number B600624 was reported as accurate.

Anonymous · August 11, 2014

Serial Number B600042 was reported as accurate.

Anonymous · July 2, 2014

Serial Number B600231 was reported as accurate.

rnfwatch Supporter 127 · February 11, 2014

Serial Number B600169 was reported as accurate.

rnfwatch Supporter 127 · November 2, 2013

Serial Number B600169 was reported as accurate.

Matthew13 8 · October 23, 2013

Serial Number B600568 was reported as accurate.