Pocket Watch Database

From the American Horology Archive:

Ball - Waltham

Grade: Official Standard

Manufacturer: Ball - Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: B230629
Grade: Official Standard
Model: 1899
Estimated Production Year: 1908
Run Quantity: 300
Grade/Model Run: 58 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 [Plugged] 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: 2 (0.67%)
Research Note: #B230708: 21j (Plugged); Corresponds to Waltham Serial run starting with #15,230,001

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

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 13, 2022

Serial Number B230508 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 19j to 21j

Anonymous · January 1, 2022

Serial Number B230530 was reported as inaccurate.

Note: marked 21 jewels
Changes since this report was submitted:
Jewels changed from 19j to 21j

Anonymous · June 10, 2021

Serial Number B230593 was reported as inaccurate.

Note: My watch has a little plug installed that says 21
jewels, but might have said 19 jewels originally.
Changes since this report was submitted:
Jewels changed from 19j to 21j

Anonymous · July 29, 2019

Serial Number B230523 was reported as inaccurate.

Note: Stamped 21 Jewels
Changes since this report was submitted:
Jewels changed from 19j to 21j

Anonymous · July 25, 2019

Serial Number B230589 was reported as inaccurate.

Note: The B230589 movement I have has 21 jewels.
Changes since this report was submitted:
Jewels changed from 19j to 21j

bubba70 543 · July 3, 2019

Serial Number B230523 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 19j to 21j

Anonymous · April 6, 2017

Serial Number B230708 was reported as inaccurate.

Note: Watch is marked 21 jewel instead of 19.
Changes since this report was submitted:
Jewels changed from 19j to 21j

hiddentreasures Supporter 13 · November 3, 2016

Serial Number B230705 was reported as inaccurate.

Note: My movement is stamped 21 Jewels instead of 19
Changes since this report was submitted:
Jewels changed from 19j to 21j