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: B217103 Question Mark
Grade: Official Standard Question Mark
Model: 1899 Question Mark
Estimated Production Year: 1906 Question Mark
Run Quantity: 500 Question Mark
Grade/Model Run: 37 of 107 Question Mark
Grade/Model Total Production: 71,861 Question Mark
Size: 16s Question Mark
Jewels: 19j 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: D32330 Question Mark
Case: Various Question Mark
Database Version: v52.606 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: Corresponds to Waltham Serial run starting with #13,216,201

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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 · April 26, 2023

Serial Number B217426 was reported as accurate.

2mnyboxers Supporter 410 · June 30, 2021

Serial Number B217427 was reported as accurate.

Anonymous · February 25, 2021

Serial Number B217427 was reported as accurate.

Anonymous · September 4, 2019

Serial Number B217313 was reported as accurate.

Anonymous · July 9, 2018

Serial Number B217188 was reported as accurate.

Anonymous · April 10, 2018

Serial Number B217499 was reported as accurate.

Anonymous · January 9, 2018

Serial Number B217060 was reported as accurate.

Anonymous · March 7, 2017

Serial Number B217377 was reported as accurate.

Thebrassreed 1 · February 8, 2017

Serial Number B217446 was reported as accurate.

Anonymous · June 19, 2016

Serial Number B217140 was reported as inaccurate.

Note: 19 jewels ,not 21 is listed on the plate.
Changes since this report was submitted:
Jewels changed from 21j to 19j

Anonymous · July 20, 2015

Serial Number B217402 was reported as inaccurate.

Note: jewels : 19 , adjusted : yes 5 positions, railroad
grade : yes
Changes since this report was submitted:
Jewels changed from 21j to 19j
Adjusted changed from No to Yes

Anonymous · April 4, 2015

Serial Number B217445 was reported as inaccurate.

Note: 217445 is 19j not 21j
Changes since this report was submitted:
Jewels changed from 21j to 19j
Adjusted changed from No to Yes

Anonymous · January 22, 2015

Serial Number B217188 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 21j to 19j
Adjusted changed from No to Yes

Wrstratton 134 · January 21, 2014

Serial Number B217103 was reported as inaccurate.

Note: This watch is 19 jewel, not 21. Plate is nickel
with circular damaskeening. Railroad grade...
Yes. It is a Hamilton not a Waltham. It is a model
999 not 1899.
Changes since this report was submitted:
Jewels changed from 21j to 19j
Adjusted changed from No to Yes
Plate changed from Unknown to 3/4