Pocket Watch Database

From the American Horology Archive:

Ball - Waltham

Grade: Official Standard

Manufacturer: Ball - Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: B209966
Grade: Official Standard
Model: 1899
Estimated Production Year: 1905
Run Quantity: 200
Grade/Model Run: 28 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
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: 1 (0.50%)
Research Note: B209966: 17j ORRS OF LS; Corresponds to Waltham Serial run starting with #13,209,801

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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 · October 4, 2022

Serial Number B209892 was reported as inaccurate.

Note: Serial Number B209892 is 19 Jewels
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · June 20, 2021

Serial Number B209922 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 19j to 17j

rmwatchandclock Supporter 365 · May 13, 2021

Serial Number B209966 was reported as inaccurate.

Note: Serial number B209966 is 17 jewel.
Changes since this report was submitted:
Jewels changed from 19j to 17j

Anonymous · July 19, 2018

Serial Number B209832 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 19j to 17j

tictocdoc 47 · June 12, 2017

Serial Number B209832 was reported as inaccurate.

Note: My movement is actually a 19J not 17j.