Pocket Watch Database

From the American Horology Archive:

Ball - Waltham

Grade: Official Standard

Manufacturer: Ball - Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: B247035
Grade: Official Standard
Model: 1899
Estimated Production Year: 1910
Run Quantity: 1,000
Grade/Model Run: 74 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: 4 (0.40%)
Research Note: #B247035: 21j; Corresponds to Waltham Serial run starting with #18,244,201

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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 · June 3, 2023

Serial Number B246292 was reported as accurate.

Anonymous · February 24, 2019

Serial Number B246308 was reported as accurate.

Anonymous · November 29, 2018

Serial Number B247132 was reported as accurate.

Joerealtor 74 · May 11, 2018

Serial Number B247132 was reported as accurate.

d2hensley 19 · February 8, 2018

Serial Number B247035 was reported as accurate.

Anonymous · July 30, 2017

Serial Number B246959 was reported as accurate.

Anonymous · July 23, 2017

Serial Number B247175 was reported as accurate.

Anonymous · January 29, 2017

Serial Number B246690 was reported as accurate.

Anonymous · January 14, 2016

Serial Number B246317 was reported as accurate.

Anonymous · January 11, 2016

Serial Number B246357 was reported as accurate.

Anonymous · December 5, 2015

Serial Number B246317 was reported as accurate.

Anonymous · November 18, 2015

Serial Number B246944 was reported as accurate.

rock862 242 · October 27, 2015

Serial Number B246344 was reported as accurate.

Anonymous · August 26, 2015

Serial Number B246344 was reported as accurate.

philsan1a 221 · October 2, 2014

Serial Number B246997 was reported as accurate.

Anonymous · June 17, 2014

Serial Number B247060 was reported as accurate.

Railroad 34 · February 20, 2014

Serial Number B246204 was reported as accurate.

Anonymous · February 18, 2014

Serial Number B246204 was reported as accurate.

Anonymous · February 18, 2014

Serial Number B246204 was reported as accurate.

cloudjcc363 13 · February 11, 2014

Serial Number B246942 was reported as accurate.

Anonymous · November 27, 2013

Serial Number B246318 was reported as accurate.