Pocket Watch Database

From the American Horology Archive:

Ball - Waltham

Grade: Official Standard

Manufacturer: Ball - Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: b220193
Grade: Official Standard
Model: 1899
Estimated Production Year: 1907
Run Quantity: 600
Grade/Model Run: 45 of 107
Grade/Model Total Production: 71,861
Size: 16s
Jewels: 19j
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: Circular
Movement Setting: Lever
Plate: 3/4 Plate
Regulator: Reed
Hairspring: Breguet
Adjusted: Yes
Adjusted to Position: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: Yes
Railroad Grade Classification: Class A
U.S. Patents: D32330
Case: Various
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
213.95
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
1,381.31
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
75.276%
Registry Population: 1 (0.17%)
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.


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 3990 · 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