Pocket Watch Database

From the American Horology Archive:

Ball - Hamilton

Grade: 999G

Manufacturer: Ball - Hamilton Question Mark
Movement Serial Number: 535491 Question Mark
Grade: 999G Question Mark
Model: 1A Question Mark
Estimated Production Year: 1907 Question Mark
Run Quantity: 500 Question Mark
Grade/Model Run: 4 of 15 Question Mark
Grade/Model Total Production: 4,400 Question Mark
Size: 18s Question Mark
Jewels: 19j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Finish Pattern: Circular Damascening Pattern Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Double Roller: Yes Question Mark
Regulator: Ball Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: Yes Question Mark
Movement Markings: Official RR Standard or Brotherhood Markings, Adjusted, Double Roller
Case: Various Question Mark
Database Version: v52.457 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
13.24 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
100.00 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
3.814% Question Mark
Registry Population:
Scoped for This Run Only
2 (0.40%) Question Mark

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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.


steve288 264 · August 23, 2022

Serial Number 535070 was reported as accurate.

medhamred Supporter 143 · April 22, 2021

Serial Number 535358 was reported as accurate.

GT350me 28 · April 21, 2021

Serial Number 535004 was reported as accurate.

GT350me 28 · March 30, 2021

Serial Number 535004 was reported as accurate.

GT350me 28 · March 20, 2021

Serial Number 535004 was reported as accurate.

Anonymous · December 26, 2020

Serial Number 535213 was reported as accurate.

gergnosretep Supporter 26 · November 4, 2020

Serial Number 535155 was reported as accurate.

dfchong 837 · April 12, 2020

Serial Number 535232 was reported as accurate.

dfchong 837 · April 12, 2020

Serial Number 535232 was reported as accurate.

dfchong 837 · September 17, 2019

Serial Number 535053 was reported as accurate.

Anonymous · April 1, 2018

Serial Number 535489 was reported as accurate.

Anonymous · November 9, 2017

Serial Number 535491 was reported as accurate.

Anonymous · November 5, 2016

Serial Number 535286 was reported as accurate.

Anonymous · September 7, 2016

Serial Number 535494 was reported as accurate.

Anonymous · December 23, 2015

Serial Number 535006 was reported as accurate.

Anonymous · October 13, 2015

Serial Number 535372 was reported as accurate.

rock862 242 · October 13, 2015

Serial Number 535372 was reported as accurate.

philsan1a 221 · May 25, 2015

Serial Number 535421 was reported as accurate.

Anonymous · March 2, 2015

Serial Number 535006 was reported as accurate.

Anonymous · July 22, 2014

Serial Number 535070 was reported as accurate.

Anonymous · April 20, 2014

Serial Number 535245 was reported as accurate.

Anonymous · November 20, 2013

Serial Number 535148 was reported as accurate.