Pocket Watch Database

From the American Horology Archive:

Ball - Hamilton

Grade: 999G

Manufacturer: Ball - Hamilton Question Mark
Movement Serial Number: 497121 Question Mark
Grade: 999G Question Mark
Model: 1A Question Mark
Estimated Production Year: Login to View Question Mark
Run Quantity: Login to View Question Mark
Grade/Model Run: Login to View Question Mark
Grade/Model Total Production: Login to View Question Mark
Size: 18s Question Mark
Jewels: 19j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Finish Pattern: Login to View Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Double Roller: Yes Question Mark
Regulator: Login to View Question Mark
Adjusted: Login to View Question Mark
Adjusted # of Positions: Login to View Question Mark
Adjusted to Temperature: Login to View Question Mark
Railroad Grade: Login to View Question Mark
U.S. Patents: Login to View Question Mark
Movement Markings: Login to View
Case: Various Question Mark
Database Version: v52.645 Question Mark
Advanced Metrics
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Registry Population:
Scoped for This Run Only
4 (0.57%) Question Mark
12 Additional Member-Only Data Points Available

The following information is unlocked with a free account:

Estimated Production Year, Run Quantity, Grade/Model Run, Grade/Model Total Production, Finish Pattern, Regulator Type, Adjustments, Positional Adjustments, Temperature Adjustments, Railroad Grade Designation, U.S. Patents, Movement Markings

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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.


nightstalker638 44 · December 19, 2024

Serial Number 497290 was reported as accurate.

CJEmpire3 Supporter 127 · April 5, 2024

Serial Number 497161 was reported as accurate.

Anonymous · March 20, 2024

Serial Number 497538 was reported as accurate.

Anonymous · October 26, 2023

Serial Number 497573 was reported as accurate.

Anonymous · August 9, 2022

Serial Number 497577 was reported as accurate.

Anonymous · June 11, 2022

Serial Number 497689 was reported as accurate.

nightstalker638 44 · October 31, 2021

Serial Number 497290 was reported as accurate.

Anonymous · July 23, 2021

Serial Number 497618 was reported as accurate.

Anonymous · September 5, 2020

Serial Number 497618 was reported as accurate.

Anonymous · September 5, 2020

Serial Number 497618 was reported as accurate.

Anonymous · September 5, 2020

Serial Number 497618 was reported as accurate.

Anonymous · May 21, 2020

Serial Number 497502 was reported as accurate.

Anonymous · April 16, 2019

Serial Number 497469 was reported as accurate.

Anonymous · February 15, 2019

Serial Number 497198 was reported as accurate.

Joerealtor 74 · February 16, 2018

Serial Number 497264 was reported as accurate.

d2hensley 19 · February 8, 2018

Serial Number 497290 was reported as accurate.

Anonymous · March 16, 2017

Serial Number 497290 was reported as accurate.

Anonymous · March 13, 2017

Serial Number 497021 was reported as accurate.

Anonymous · December 7, 2016

Serial Number 497663 was reported as accurate.

Anonymous · November 25, 2016

Serial Number 497663 was reported as accurate.

Anonymous · October 16, 2014

Serial Number 497046 was reported as accurate.

Anonymous · October 10, 2014

Serial Number 497046 was reported as accurate.

Anonymous · October 10, 2014

Serial Number 497046 was reported as accurate.

Anonymous · October 7, 2014

Serial Number 497046 was reported as accurate.

Anonymous · October 7, 2014

Serial Number 497496 was reported as accurate.

Anonymous · September 3, 2014

Serial Number 497192 was reported as accurate.

Anonymous · July 22, 2014

Serial Number 497515 was reported as accurate.

Anonymous · January 4, 2014

Serial Number 497562 was reported as accurate.

Anonymous · November 21, 2013

Serial Number 497663 was reported as accurate.

Anonymous · September 27, 2013

Serial Number 497102 was reported as accurate.

Anonymous · July 20, 2013

Serial Number 497029 was reported as accurate.