Pocket Watch Database

From the American Horology Archive:

Ball - Hamilton

Grade: 999G

Manufacturer: Ball - Hamilton
Movement Serial Number: 503601
Grade: 999G
Model: 1A
Estimated Production Year: 1907
Run Quantity: 1,000
Grade/Model Run: 3 of 15
Grade/Model Total Production: 4,400
Size: 18s
Jewels: 19j
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: Circular
Movement Setting: Lever
Plate: Full Plate
Double Roller: Yes
Regulator: Ball
Adjusted: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Railroad Grade: Yes
U.S. Patents: D25695, 565955
Movement Markings: Official RR Standard
999
The Ball Watch Co. Cleveland.
Adjusted
Double Roller.
19 Jewels
Sapphire Pallets
Safety Pinion
Trade Mark
Patented June 30'96
Pat.Aug.18'96.
Case: Various
Database Version: v52.335
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
13.24
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
100.00
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
3.814%
Registry Population: 4 (0.40%)

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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 · March 1, 2024

Serial Number 503831 was reported as accurate.

Blicquer Supporter 81 · July 13, 2022

Serial Number 503601 was reported as accurate.

Anonymous · August 1, 2021

Serial Number 503914 was reported as accurate.

Anonymous · May 30, 2021

Serial Number 503583 was reported as accurate.

Anonymous · May 26, 2021

Serial Number 503104 was reported as accurate.

Anonymous · September 4, 2020

Serial Number 503915 was reported as accurate.

Anonymous · January 10, 2020

Serial Number 503848 was reported as accurate.

orotreasures 13 · August 29, 2019

Serial Number 503088 was reported as accurate.

GrizzlyGrant88 6 · April 3, 2019

Serial Number 503802 was reported as accurate.

GrizzlyGrant88 6 · April 3, 2019

Serial Number 503802 was reported as accurate.

Anonymous · January 14, 2019

Serial Number 503637 was reported as accurate.

Anonymous · November 24, 2018

Serial Number 503325 was reported as accurate.

Anonymous · October 23, 2018

Serial Number 503802 was reported as accurate.

Anonymous · April 7, 2018

Serial Number 503854 was reported as accurate.

Anonymous · March 7, 2018

Serial Number 503854 was reported as accurate.

Anonymous · March 24, 2017

Serial Number 503119 was reported as accurate.

Anonymous · January 6, 2017

Serial Number 503077 was reported as accurate.

Anonymous · September 24, 2016

Serial Number 503708 was reported as accurate.

rock862 242 · February 27, 2016

Serial Number 503385 was reported as accurate.

Anonymous · November 7, 2015

Serial Number 503015 was reported as accurate.

mkonkol 7 · October 15, 2015

Serial Number 503105 was reported as accurate.

Anonymous · February 2, 2015

Serial Number 503840 was reported as accurate.

Anonymous · November 5, 2014

Serial Number 503119 was reported as accurate.

Anonymous · August 22, 2014

Serial Number 503390 was reported as accurate.

Anonymous · June 30, 2014

Serial Number 503917 was reported as accurate.

mrabin 1 · August 26, 2013

Serial Number 503074 was reported as accurate.