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: B219725 Question Mark
Grade: Official Standard Question Mark
Model: 1899 Question Mark
Estimated Production Year: 1907 Question Mark
Run Quantity: 200 Question Mark
Grade/Model Run: 43 of 107 Question Mark
Grade/Model Total Production: 71,861 Question Mark
Size: 16s Question Mark
Jewels: 19j 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: D32330 Question Mark
Case: Various Question Mark
Database Version: v52.433 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
1 (0.50%) Question Mark
Research Note: Corresponds to Waltham Serial run starting with #13,218,601

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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.


2mnyboxers Supporter 408 · August 6, 2022

Serial Number B219725 was reported as accurate.

WLBelkriver33 804 · December 2, 2018

Serial Number B219678 was reported as accurate.

Anonymous · August 24, 2017

Serial Number B219661 was reported as accurate.

dfchong 837 · August 24, 2017

Serial Number B219661 was reported as accurate.

dfchong 837 · August 23, 2017

Serial Number B219661 was reported as accurate.

dfchong 837 · August 23, 2017

Serial Number B219661 was reported as accurate.

Grandson 1 · May 12, 2016

Serial Number B219642 was reported as inaccurate.

Note: 19 JEWELS
Changes since this report was submitted:
Jewels changed from 21j to 19j

rock862 242 · January 9, 2016

Serial Number B219648 was reported as inaccurate.

Note: This movement is 19 jewels
Changes since this report was submitted:
Jewels changed from 21j to 19j

Anonymous · April 18, 2015

Serial Number B219631 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Jewels changed from 21j to 19j

Gasperoff Supporter 727 · April 9, 2015

Serial Number B219657 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 21j to 19j

Anonymous · July 25, 2013

Serial Number B219765 was reported as inaccurate.

Note: movement stamped 19jewels
Changes since this report was submitted:
Jewels changed from 21j to 19j
Plate changed from Unknown to 3/4