Pocket Watch Database

From the American Horology Archive:

Ball - Waltham

Grade: Official Standard

Manufacturer: Ball - Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: B215431 Question Mark
Grade: Official Standard Question Mark
Model: 1899 Question Mark
Estimated Production Year: 1905 Question Mark
Run Quantity: 500 Question Mark
Grade/Model Run: 32 of 107 Question Mark
Grade/Model Total Production: 71,861 Question Mark
Size: 16s Question Mark
Jewels: 17j Question Mark
Jewel Setting: Gold Settings (Screw-Set) Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Finish Pattern: Circular Question Mark
Movement Setting: Lever Question Mark
Plate: 3/4 Plate Question Mark
Regulator: Reed Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Adjusted to Temperature: Yes Question Mark
Adjusted to Isochronism: Yes Question Mark
Railroad Grade: Yes Question Mark
Railroad Grade Classification: Class A Question Mark
U.S. Patents: D26267, D32330 Question Mark
Movement Markings: Official RR Standard
Ball Watch Co.
Cleveland, O.
17 Jewels
Adjusted [Some Marked "5 Positions"]
Sapphire Pallets
Trade Mark
Pat.Nov.17.96
Case: Various Question Mark
Database Version: v52.427 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
213.95 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
1,381.31 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
75.276% Question Mark
Registry Population:
Scoped for This Run Only
3 (0.60%) Question Mark
Research Note: #B215484: 17j ORRS OF LS A; Corresponds to Waltham Serial run starting with #13,214,201

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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.


rmwatchandclock Supporter 371 · August 19, 2023

Serial Number B215527 was reported as accurate.

JPFour 8 · June 5, 2021

Serial Number B215329 was reported as inaccurate.

Note: s/n B215329 is 17 jewel, not 19 jewel
Changes since this report was submitted:
Jewels changed from 19j to 17j

sacrudy Supporter 4 · May 18, 2021

Serial Number B215483 was reported as accurate.

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

Anonymous · March 31, 2021

Serial Number B215456 was reported as inaccurate.

Note: Movement stamped "17 Jewels," not 19 jewels as
indicated here
Changes since this report was submitted:
Jewels changed from 19j to 17j

Anonymous · February 21, 2020

Serial Number B215440 was reported as accurate.

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

Anonymous · February 10, 2019

Serial Number B215294 was reported as inaccurate.

Note: 17 jewels not 19
Changes since this report was submitted:
Jewels changed from 19j to 17j

Anonymous · September 10, 2018

Serial Number B215618 was reported as inaccurate.

Note: This movement is 17 jewels instead of 19 jewels.
Changes since this report was submitted:
Jewels changed from 19j to 17j

tsullivan 18 · April 2, 2017

Serial Number B215484 was reported as inaccurate.

Note: 17 Jewel, not 19
Changes since this report was submitted:
Jewels changed from 19j to 17j

Anonymous · March 14, 2017

Serial Number B215416 was reported as accurate.

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

Anonymous · December 28, 2014

Serial Number B215456 was reported as accurate.

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