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: B264500 Question Mark
Grade: Official Standard Question Mark
Model: 1899 Question Mark
Estimated Production Year: 1918 Question Mark
Run Quantity: 600 Question Mark
Grade/Model Run: 85 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: v52.516 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
7 (1.17%) Question Mark
Research Note: Corresponds to Waltham Serial run starting with #22,264,401

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.


cjbrem Supporter 955 · June 25, 2024

Serial Number B264482 was reported as accurate.

CJEmpire3 113 · February 19, 2023

Serial Number B264440 was reported as accurate.

Anonymous · April 20, 2022

Serial Number B264543 was reported as accurate.

Anonymous · February 28, 2019

Serial Number B264548 was reported as accurate.

WLBelkriver33 804 · December 8, 2018

Serial Number B264460 was reported as accurate.

Anonymous · July 15, 2018

Serial Number B264771 was reported as accurate.

Sandita4 1 · July 7, 2018

Serial Number B264771 was reported as accurate.

Anonymous · March 6, 2018

Serial Number B264632 was reported as accurate.

Anonymous · July 5, 2016

Serial Number B264690 was reported as accurate.

JWLOPER 3 · March 18, 2016

Serial Number B264623 was reported as inaccurate.

Note: This watch is railroad grade.
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

JWLOPER 3 · March 18, 2016

Serial Number B264623 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

Anonymous · February 21, 2016

Serial Number B264690 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

Anonymous · February 20, 2016

Serial Number B264690 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

Anonymous · February 18, 2016

Serial Number B264690 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

Anonymous · August 1, 2015

Serial Number B264500 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

haskell 53 · January 9, 2015

Serial Number B264612 was reported as inaccurate.

Note: railroad grade. and lever set.
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

Anonymous · January 3, 2015

Serial Number B264612 was reported as inaccurate.

Note: This is a railroad grade.
Curator Response: Could you confirm whether your movement is lever-set or not? Thanks!
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

Anonymous · October 18, 2014

Serial Number B264953 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

Anonymous · November 10, 2013

Serial Number B264666 was reported as inaccurate.

Note: This is Railroad Grade.
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes
Plate changed from Unknown to 3/4