Pocket Watch Database

From the American Horology Archive:

Ball - Waltham

Grade: Official Standard

Manufacturer: Ball - Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: B228325
Grade: Official Standard
Model: 1899
Estimated Production Year: 1908
Run Quantity: 300
Grade/Model Run: 54 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: v52.219
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 (0.33%)
Research Note: Corresponds to Waltham Serial run starting with #15,228,301

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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 · October 25, 2022

Serial Number B228589 was reported as accurate.

Anonymous · December 29, 2020

Serial Number B228493 was reported as accurate.

wmike565 Supporter 115 · January 12, 2020

Serial Number B228325 was reported as accurate.

Anonymous · December 21, 2017

Serial Number B228390 was reported as accurate.

Anonymous · November 29, 2015

Serial Number B228469 was reported as accurate.

rock862 242 · October 31, 2015

Serial Number B228491 was reported as accurate.

rock862 242 · October 29, 2015

Serial Number B228491 was reported as accurate.

Anonymous · August 30, 2015

Serial Number B228491 was reported as accurate.

Xmarine79 2 · January 5, 2014

Serial Number B228387 was reported as accurate.

Xmarine79 2 · December 28, 2013

Serial Number B228387 was reported as accurate.

Anonymous · December 7, 2013

Serial Number B228469 was reported as accurate.