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: B220388 Question Mark
Grade: Official Standard Question Mark
Model: 1899 Question Mark
Estimated Production Year: 1907 Question Mark
Run Quantity: 600 Question Mark
Grade/Model Run: 45 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: v52.560 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
214.04 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 (0.17%) Question Mark
Research Note: Corresponds to Waltham Serial run starting with #13,218,601

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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 · December 29, 2022

Serial Number B220087 was reported as accurate.

Anonymous · April 30, 2021

Serial Number B220414 was reported as accurate.

Anonymous · April 2, 2021

Serial Number B220414 was reported as accurate.

clifflinn 1 · April 1, 2019

Serial Number B220003 was reported as accurate.

cmdraven 4083 · December 29, 2018

Serial Number B220207 was reported as accurate.

Anonymous · October 15, 2015

Serial Number B220142 was reported as inaccurate.

Note: My watch is marked 19 Jewels , Official Standard
(RR)
Changes since this report was submitted:
Jewels changed from 21j to 19j

Anonymous · August 27, 2015

Serial Number B220401 was reported as inaccurate.

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

Anonymous · March 10, 2015

Serial Number B220193 was reported as inaccurate.

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

Anonymous · March 10, 2015

Serial Number B220193 was reported as accurate.

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

Anonymous · March 9, 2015

Serial Number B220193 was reported as accurate.

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

Papapilla 6 · December 12, 2014

Serial Number B220554 was reported as inaccurate.

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

Anonymous · December 9, 2014

Serial Number B220554 was reported as inaccurate.

Note: jewels are wrong
Changes since this report was submitted:
Jewels changed from 21j to 19j

Anonymous · November 21, 2014

Serial Number B220554 was reported as inaccurate.

Note: Watch is 19j ball
Changes since this report was submitted:
Jewels changed from 21j to 19j