Pocket Watch Database

From the American Horology Archive:

Ball - Waltham

Grade: Official Standard

Manufacturer: Ball - Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: B225917
Grade: Official Standard
Model: 1899
Estimated Production Year: 1907
Run Quantity: 400
Grade/Model Run: 51 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: v52.219
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: 2 (0.50%)
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 183 · 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.