Pocket Watch Database

From the American Horology Archive:

Ball - Waltham

Grade: Official Standard

Manufacturer: Ball - Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: B535499
Grade: Official Standard
Model: 1899
Estimated Production Year: 1902
Run Quantity: 500
Grade/Model Run: 100 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: D26267, D32330
Movement Markings: Official RR Standard
Ball Watch Co.
Cleveland, O.
17 Jewels
Adjusted
Sapphire Pallets
Trade Mark
Pat.Nov.17.96
Case: Various
Database Version: v52.245
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: 3 (0.60%)
Research Note: #B535499: 17j; Corresponds to Waltham Serial run starting with #11,535,001

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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 · April 22, 2020

Serial Number B535269 was reported as accurate.

Anonymous · February 21, 2020

Serial Number B535244 was reported as accurate.

Anonymous · January 5, 2020

Serial Number B535244 was reported as accurate.

bubba70 543 · May 29, 2019

Serial Number B535262 was reported as accurate.

Anonymous · April 23, 2019

Serial Number B535236 was reported as accurate.

Anonymous · September 24, 2018

Serial Number B535269 was reported as accurate.

Notguilty 35 · August 2, 2018

Serial Number B535043 was reported as accurate.

Anonymous · June 10, 2017

Serial Number B535105 was reported as accurate.

Jeffrey064 29 · February 6, 2017

Serial Number B535344 was reported as accurate.

Anonymous · July 4, 2016

Serial Number B535105 was reported as accurate.

BarryE 6 · August 5, 2015

Serial Number B535499 was reported as accurate.

Anonymous · August 1, 2015

Serial Number B535499 was reported as accurate.

rayfield 16 · July 30, 2015

Serial Number B535415 was reported as accurate.

Anonymous · April 25, 2014

Serial Number B535044 was reported as accurate.