Pocket Watch Database

From the American Horology Archive:

Ball - Waltham

Grade: Official Standard

Manufacturer: Ball - Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: B225917 Question Mark
Grade: Official Standard Question Mark
Model: 1899 Question Mark
Estimated Production Year: 1907 Question Mark
Run Quantity: 400 Question Mark
Grade/Model Run: 51 of 107 Question Mark
Grade/Model Total Production: 71,861 Question Mark
Size: 16s Question Mark
Jewels: 17j Question Mark
Jewel Setting: Gold Settings (Screw-Set) Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Finish Pattern: Circular Question Mark
Movement Setting: Lever Question Mark
Plate: 3/4 Plate Question Mark
Regulator: Reed Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Adjusted to Temperature: Yes Question Mark
Adjusted to Isochronism: Yes Question Mark
Railroad Grade: Yes Question Mark
Railroad Grade Classification: Class A Question Mark
U.S. Patents: D26267, D32330 Question Mark
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 Question Mark
Database Version: v52.470 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
213.95 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
1,381.31 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
75.276% Question Mark
Registry Population:
Scoped for This Run Only
2 (0.50%) Question Mark
Research Note: #B225917, #B225972: 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.


Anonymous · August 1, 2021

Serial Number B225623 was reported as inaccurate.

Note: B225623 marked as 17j, adjusted 5 positions and is
lever set
Changes since this report was submitted:
Jewels changed from 19j to 17j

Anonymous · June 8, 2021

Serial Number B225972 was reported as accurate.

Anonymous · July 9, 2019

Serial Number B225841 was reported as accurate.

Jack50n 13 · December 20, 2018

Serial Number B225917 was reported as accurate.

Anonymous · December 29, 2016

Serial Number B225619 was reported as accurate.

Anonymous · July 24, 2016

Serial Number B225645 was reported as accurate.

Anonymous · June 12, 2016

Serial Number B225694 was reported as accurate.

Anonymous · June 11, 2016

Serial Number B225694 was reported as accurate.

Anonymous · November 19, 2015

Serial Number B225678 was reported as accurate.

Anonymous · November 3, 2014

Serial Number B225697 was reported as inaccurate.

Note: change the plate from unknown to 3/4
Changes since this report was submitted:
Plate changed from Unknown to 3/4

rjandladyj 190 · July 20, 2014

Serial Number B225956 was reported as accurate.

Anonymous · March 18, 2014

Serial Number B225821 was reported as accurate.

Anonymous · March 5, 2014

Serial Number B225880 was reported as accurate.

Anonymous · March 5, 2014

Serial Number B225880 was reported as accurate.

Anonymous · March 5, 2014

Serial Number B225880 was reported as accurate.