Pocket Watch Database

From the American Horology Archive:

Ball - Waltham

Grade: Official Standard

Manufacturer: Ball - Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: B202497
Grade: Official Standard
Model: 1899
Estimated Production Year: 1904
Run Quantity: 500
Grade/Model Run: 12 of 107
Grade/Model Total Production: 71,861
Size: 16s
Jewels: 17j
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: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
212.76
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 (0.20%)
Research Note: Corresponds to Waltham Serial run starting with #13,202,001

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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 · September 21, 2021

Serial Number B202070 was reported as accurate.

Anonymous · April 28, 2021

Serial Number B202497 was reported as accurate.

jdpd201 19 · April 17, 2021

Serial Number B202497 was reported as accurate.

Anonymous · January 6, 2020

Serial Number B202091 was reported as accurate.

Anonymous · July 5, 2019

Serial Number B202212 was reported as accurate.

Anonymous · July 5, 2019

Serial Number B202212 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · July 4, 2019

Serial Number B202212 was reported as accurate.

Anonymous · July 4, 2019

Serial Number B202212 was reported as accurate.

barberr1 67 · January 2, 2019

Serial Number B202354 was reported as accurate.

Anonymous · February 22, 2016

Serial Number B202477 was reported as accurate.

Anonymous · August 27, 2015

Serial Number B202100 was reported as accurate.

Anonymous · August 26, 2015

Serial Number B202100 was reported as accurate.

Anonymous · August 19, 2015

Serial Number B202100 was reported as accurate.