Pocket Watch Database

From the American Horology Archive:

Ball - Waltham

Grade: Commercial Standard

Manufacturer: Ball - Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: B226512 Question Mark
Grade: Commercial Standard Question Mark
Model: 1899 Question Mark
Estimated Production Year: 1907 Question Mark
Run Quantity: 500 Question Mark
Grade/Model Run: 16 of 35 Question Mark
Grade/Model Total Production: 16,340 Question Mark
Size: 16s Question Mark
Jewels: 17j Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: 3/4 Plate Question Mark
Adjusted: Yes Question Mark
U.S. Patents: D32330 Question Mark
Case: Various Question Mark
Database Version: v52.462 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
16.04 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
5.646% Question Mark
Registry Population:
Scoped for This Run Only
1 (0.20%) Question Mark
Research Note: Corresponds to Waltham Serial run starting with #15,226,201

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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.


cjbrem Supporter 916 · August 5, 2023

Serial Number B226512 was reported as accurate.

Anonymous · April 30, 2022

Serial Number B226559 was reported as inaccurate.

Note: Stem set
Curator Response: Thanks for the report. The database has been updated accordingly.
Changes since this report was submitted:
Factory Model changed from 1905 to 1899
Movement Setting changed from Lever to Pendant
Plate changed from Unknown to 3/4

Anonymous · March 27, 2016

Serial Number B226327 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1905 to 1899
Movement Setting changed from Lever to Pendant

Anonymous · March 27, 2016

Serial Number B226357 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1905 to 1899
Movement Setting changed from Lever to Pendant

Anonymous · March 26, 2016

Serial Number B226357 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1905 to 1899
Movement Setting changed from Lever to Pendant
Adjusted changed from No to Yes

Anonymous · March 26, 2016

Serial Number B226357 was reported as inaccurate.

Note: The movement has adjustments.....listed on the
movement as such.
Changes since this report was submitted:
Factory Model changed from 1905 to 1899
Movement Setting changed from Lever to Pendant
Adjusted changed from No to Yes
Plate changed from Unknown to 3/4

Anonymous · March 25, 2016

Serial Number B226357 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1905 to 1899
Movement Setting changed from Lever to Pendant
Adjusted changed from No to Yes

Anonymous · January 24, 2014

Serial Number B226467 was reported as inaccurate.

Note: 3/4 plate
Changes since this report was submitted:
Factory Model changed from 1905 to 1899
Movement Setting changed from Lever to Pendant
Adjusted changed from No to Yes
Plate changed from Unknown to 3/4

BSarge 8 · November 18, 2013

Serial Number B226575 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1905 to 1899
Movement Setting changed from Lever to Pendant
Adjusted changed from No to Yes