Pocket Watch Database

From the American Horology Archive:

Ball - Waltham

Grade: Official Standard

Manufacturer: Ball - Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: B259536 Question Mark
Grade: Official Standard Question Mark
Model: 1899 Question Mark
Estimated Production Year: 1915 Question Mark
Run Quantity: 600 Question Mark
Grade/Model Run: 78 of 107 Question Mark
Grade/Model Total Production: 71,861 Question Mark
Size: 16s Question Mark
Jewels: 21j Question Mark
Jewel Setting: Gold Settings (Screw-Set) 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
Regulator: Reed Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Adjusted to Temperature: Yes Question Mark
Adjusted to Isochronism: Yes Question Mark
Railroad Grade: Yes Question Mark
Railroad Grade Classification: Class A Question Mark
U.S. Patents: D26267, D32330 Question Mark
Movement Markings: Official RR Standard
Ball Watch Co.
Cleveland, O.
21 Jewels
Adjusted
5 Positions
Sapphire Pallets
Trade Mark
Pat.Nov.17.96
Case: Various Question Mark
Database Version: v52.528 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
213.95 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
1,381.31 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
75.276% Question Mark
Registry Population:
Scoped for This Run Only
2 (0.33%) Question Mark
Research Note: #B259536: 21j; Corresponds to Waltham Serial run starting with #20,259,401

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

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 18, 2024

Serial Number B259518 was reported as accurate.

Anonymous · January 29, 2021

Serial Number B259504 was reported as accurate.

Anonymous · December 5, 2020

Serial Number B259825 was reported as accurate.

Anonymous · May 7, 2020

Serial Number B259550 was reported as accurate.

Anonymous · May 6, 2020

Serial Number B259550 was reported as accurate.

Anonymous · August 18, 2018

Serial Number B259840 was reported as accurate.

Anonymous · December 29, 2017

Serial Number B259638 was reported as accurate.

Anonymous · November 18, 2016

Serial Number B259645 was reported as accurate.

Anonymous · May 15, 2016

Serial Number B259645 was reported as accurate.

Anonymous · February 3, 2016

Serial Number B259757 was reported as accurate.

Anonymous · April 1, 2015

Serial Number B259558 was reported as accurate.

Anonymous · April 1, 2015

Serial Number B259558 was reported as accurate.

Anonymous · April 1, 2015

Serial Number B259558 was reported as accurate.

bunchj2 103 · February 17, 2015

Serial Number B259923 was reported as accurate.

tigger2 1 · October 18, 2014

Serial Number B259719 was reported as accurate.

Anonymous · October 18, 2014

Serial Number B259719 was reported as accurate.

Anonymous · September 16, 2013

Serial Number B259833 was reported as accurate.