Pocket Watch Database

From the American Horology Archive:

Ball - Waltham

Grade: Official Standard

Manufacturer: Ball - Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: B263482
Grade: Official Standard
Model: 1899
Estimated Production Year: 1918
Run Quantity: 1,000
Grade/Model Run: 84 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
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: 5 (0.50%)
Research Note: #B263482: 21j; Corresponds to Waltham Serial run starting with #22,263,401

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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 25, 2021

Serial Number B264295 was reported as accurate.

locoengr Supporter 25 · October 14, 2020

Serial Number B264234 was reported as accurate.

locoengr Supporter 25 · October 5, 2019

Serial Number B264234 was reported as accurate.

locoengr Supporter 25 · September 10, 2019

Serial Number B264234 was reported as accurate.

locoengr Supporter 25 · September 10, 2019

Serial Number B264234 was reported as accurate.

texnet 684 · August 10, 2019

Serial Number B263482 was reported as accurate.

Anonymous · July 19, 2019

Serial Number B263482 was reported as accurate.

Anonymous · July 15, 2019

Serial Number B263482 was reported as accurate.

Anonymous · March 11, 2019

Serial Number B263661 was reported as accurate.

WLBelkriver33 804 · March 3, 2019

Serial Number B263661 was reported as accurate.

WLBelkriver33 804 · March 2, 2019

Serial Number B263661 was reported as accurate.

Anonymous · August 15, 2018

Serial Number B264189 was reported as accurate.

jaspurlock2012 Supporter 110 · June 24, 2018

Serial Number B264171 was reported as accurate.

Anonymous · January 26, 2017

Serial Number B264342 was reported as accurate.

Anonymous · June 18, 2016

Serial Number B264051 was reported as accurate.

Anonymous · March 19, 2016

Serial Number B263741 was reported as accurate.

Sabrejet 14 · February 8, 2016

Serial Number B263741 was reported as accurate.

Anonymous · February 4, 2016

Serial Number B263741 was reported as accurate.

Anonymous · February 3, 2016

Serial Number B263741 was reported as accurate.

Anonymous · August 24, 2015

Serial Number B263655 was reported as accurate.

Anonymous · August 23, 2015

Serial Number B263655 was reported as accurate.

Anonymous · October 19, 2014

Serial Number B264005 was reported as accurate.

Anonymous · October 19, 2014

Serial Number B264005 was reported as accurate.

Anonymous · September 13, 2014

Serial Number B264005 was reported as accurate.

Anonymous · January 22, 2014

Serial Number B264310 was reported as accurate.