Pocket Watch Database

From the American Horology Archive:

Ball - Waltham

Grade: Official Standard

Manufacturer: Ball - Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: B225028
Grade: Official Standard
Model: 1899
Estimated Production Year: 1907
Run Quantity: 400
Grade/Model Run: 49 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
5 Positions
Sapphire Pallets
Trade Mark
Pat.Nov.17.96
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: 2 (0.50%)
Research Note: #B225028: 17j; Corresponds to Waltham Serial run starting with #15,225,001

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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.


Gregwarner 1 · December 10, 2019

Serial Number B225147 was reported as accurate.

lovinwatches 8 · February 9, 2019

Serial Number B225028 was reported as accurate.

Anonymous · May 4, 2018

Serial Number B225290 was reported as accurate.

Tudor841 3 · October 18, 2017

Serial Number B225384 was reported as accurate.

Anonymous · May 30, 2016

Serial Number B225041 was reported as accurate.

Anonymous · December 12, 2014

Serial Number B225378 was reported as accurate.

ATTAS013 4 · November 19, 2013

Serial Number B225335 was reported as accurate.