Pocket Watch Database

From the American Horology Archive:

Ball - Waltham

Grade: Official Standard

Manufacturer: Ball - Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: B269008
Grade: Official Standard
Model: 1899
Estimated Production Year: 1920
Run Quantity: 500
Grade/Model Run: 89 of 107
Grade/Model Total Production: 71,861
Size: 16s
Jewels: 21j
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.
21 Jewels [Plugged]
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: 3 (0.60%)
Research Note: #B269151: 21j (Plugged); Corresponds to Waltham Serial run starting with #23,267,901

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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.


dfchong 837 · December 20, 2020

Serial Number B268798 was reported as accurate.

Anonymous · October 4, 2018

Serial Number B268981 was reported as accurate.

Anonymous · March 2, 2018

Serial Number B269029 was reported as accurate.

Anonymous · February 4, 2017

Serial Number B268878 was reported as accurate.

Anonymous · December 7, 2016

Serial Number B269008 was reported as accurate.

Anonymous · November 15, 2015

Serial Number B269008 was reported as accurate.

Anonymous · October 25, 2015

Serial Number B269003 was reported as accurate.

Anonymous · October 24, 2015

Serial Number B269003 was reported as accurate.

Anonymous · May 22, 2014

Serial Number B268738 was reported as accurate.

Chattflash 24 · February 14, 2014

Serial Number B268790 was reported as accurate.

Anonymous · January 26, 2014

Serial Number B269008 was reported as accurate.

Chattflash 24 · January 26, 2014

Serial Number B268790 was reported as accurate.

jakester1042 93 · January 24, 2014

Serial Number B269008 was reported as accurate.

Anonymous · November 16, 2013

Serial Number B268722 was reported as accurate.