Pocket Watch Database

From the American Horology Archive:

Ball - Hamilton

Grade: 999M

Manufacturer: Ball - Hamilton
Movement Serial Number: B602477
Grade: 999M
Model: 1
Estimated Production Year: 1912
Run Quantity: 1,000
Grade/Model Run: 2 of 3
Grade/Model Total Production: 2,300
Size: 16s
Jewels: 21j
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: Circular
Movement Setting: Lever
Plate: 3/4 Plate
Barrel: Motor
Adjusted: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Railroad Grade: Yes
U.S. Patents: D26267, D32330
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
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
6.88
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
52.22
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
1.994%
Registry Population: 6 (0.60%)
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 · September 8, 2023

Serial Number B602228 was reported as accurate.

chanea90 27 · May 30, 2022

Serial Number B602075 was reported as accurate.

Anonymous · February 9, 2022

Serial Number B602059 was reported as accurate.

Anonymous · January 25, 2021

Serial Number B602696 was reported as accurate.

Anonymous · October 18, 2020

Serial Number B602477 was reported as accurate.

ralph1 105 · August 30, 2020

Serial Number B602264 was reported as accurate.

Anonymous · July 13, 2020

Serial Number B602173 was reported as accurate.

Anonymous · March 14, 2020

Serial Number B602419 was reported as accurate.

Anonymous · February 21, 2020

Serial Number B602188 was reported as accurate.

Anonymous · December 14, 2019

Serial Number B602192 was reported as accurate.

Anonymous · December 13, 2019

Serial Number B602965 was reported as accurate.

Anonymous · November 25, 2019

Serial Number B602148 was reported as accurate.

Anonymous · October 31, 2019

Serial Number B602338 was reported as accurate.

Anonymous · October 23, 2019

Serial Number B602338 was reported as accurate.

Anonymous · October 23, 2019

Serial Number B602646 was reported as accurate.

Anonymous · June 18, 2019

Serial Number B602891 was reported as accurate.

Anonymous · April 24, 2019

Serial Number B602577 was reported as accurate.

Anonymous · April 13, 2019

Serial Number B602178 was reported as accurate.

Anonymous · April 13, 2019

Serial Number B602178 was reported as accurate.

Anonymous · January 11, 2019

Serial Number B602228 was reported as accurate.

Anonymous · December 27, 2017

Serial Number B602195 was reported as accurate.

Anonymous · June 20, 2017

Serial Number B602526 was reported as accurate.

Gimparoo Supporter 703 · May 9, 2016

Serial Number B602759 was reported as accurate.

Anonymous · May 2, 2016

Serial Number B602257 was reported as accurate.

Anonymous · May 2, 2016

Serial Number B602075 was reported as accurate.

Anonymous · December 26, 2015

Serial Number B602692 was reported as accurate.

Anonymous · December 7, 2015

Serial Number B602691 was reported as accurate.

Anonymous · September 25, 2015

Serial Number B602005 was reported as accurate.

Anonymous · August 9, 2015

Serial Number B602257 was reported as accurate.

carlitos1z Supporter 27 · June 2, 2015

Serial Number B602616 was reported as accurate.

Anonymous · December 23, 2013

Serial Number B602982 was reported as accurate.