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: B251207 Question Mark
Grade: Official Standard Question Mark
Model: 1899 Question Mark
Estimated Production Year: 1911 Question Mark
Run Quantity: 4,500 Question Mark
Grade/Model Run: 75 of 107 Question Mark
Grade/Model Total Production: 71,861 Question Mark
Size: 16s Question Mark
Jewels: 21j 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.
21 Jewels
Adjusted
5 Positions
Sapphire Pallets
Trade Mark
Pat.Nov.17.96
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
25 (0.56%) Question Mark
Research Note: #B249212, #B249409, #B249921, #B250443, #B250890, #B251207, #B252409, #B252950: 21j; Corresponds to Waltham Serial run starting with #18,249,201

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 · December 2, 2024

Serial Number B252799 was reported as accurate.

cjbrem Supporter 955 · September 14, 2024

Serial Number B251493 was reported as accurate.

Anonymous · October 15, 2023

Serial Number B249489 was reported as accurate.

2mnyboxers Supporter 408 · September 22, 2023

Serial Number B253571 was reported as accurate.

Reitnauer 16 · July 8, 2023

Serial Number B253618 was reported as accurate.

Anonymous · May 5, 2023

Serial Number B252770 was reported as accurate.

Reitnauer 16 · July 8, 2022

Serial Number B253618 was reported as accurate.

Anonymous · December 14, 2021

Serial Number B249729 was reported as accurate.

Wadewes601 3 · November 10, 2021

Serial Number B251261 was reported as accurate.

Anonymous · October 17, 2021

Serial Number B250891 was reported as accurate.

Anonymous · September 29, 2021

Serial Number B252613 was reported as accurate.

Anonymous · June 22, 2021

Serial Number B249489 was reported as accurate.

CJEmpire3 113 · June 19, 2021

Serial Number B250340 was reported as accurate.

avpalermo Supporter 644 · June 14, 2021

Serial Number B250086 was reported as accurate.

Anonymous · May 10, 2021

Serial Number B253391 was reported as accurate.

Anonymous · March 8, 2021

Serial Number B252418 was reported as accurate.

Anonymous · March 7, 2021

Serial Number B252748 was reported as accurate.

bob62938 4 · February 19, 2021

Serial Number B249212 was reported as accurate.

Anonymous · February 1, 2021

Serial Number B251202 was reported as accurate.

steve288 264 · December 6, 2020

Serial Number B251060 was reported as accurate.

bunnofnickle 67 · July 12, 2020

Serial Number B252189 was reported as accurate.

Anonymous · February 16, 2020

Serial Number B249811 was reported as accurate.

Anonymous · February 13, 2020

Serial Number B252411 was reported as accurate.

Anonymous · February 13, 2020

Serial Number B250340 was reported as accurate.

Anonymous · February 12, 2020

Serial Number B251060 was reported as accurate.

Anonymous · February 10, 2020

Serial Number B251060 was reported as accurate.

Anonymous · January 25, 2020

Serial Number B252589 was reported as accurate.

Anonymous · December 14, 2019

Serial Number B252085 was reported as accurate.

rmwatchandclock Supporter 377 · November 12, 2019

Serial Number B249388 was reported as accurate.

10mikemikes 25 · October 4, 2019

Serial Number B251637 was reported as accurate.

Anonymous · September 24, 2019

Serial Number B251030 was reported as accurate.

Anonymous · August 17, 2019

Serial Number B252613 was reported as accurate.

Anonymous · July 6, 2019

Serial Number B252843 was reported as accurate.

Watchbuddy 13 · June 27, 2019

Serial Number B252434 was reported as accurate.

Anonymous · June 13, 2019

Serial Number B252613 was reported as accurate.

orrelse Supporter 13 · April 1, 2019

Serial Number B251711 was reported as accurate.

Anonymous · April 1, 2019

Serial Number B251711 was reported as accurate.

WLBelkriver33 804 · March 9, 2019

Serial Number B251964 was reported as accurate.

WLBelkriver33 804 · February 8, 2019

Serial Number B251746 was reported as accurate.

cmdraven 4083 · February 5, 2019

Serial Number B251746 was reported as accurate.

Anonymous · January 24, 2019

Serial Number B252764 was reported as accurate.

v3ngence 32 · December 10, 2018

Serial Number B249409 was reported as accurate.

Anonymous · November 22, 2018

Serial Number B253509 was reported as accurate.

cmdraven 4083 · October 30, 2018

Serial Number B250890 was reported as accurate.

LloydMV 5 · August 20, 2018

Serial Number B249604 was reported as accurate.

Anonymous · June 22, 2018

Serial Number B253338 was reported as accurate.

newross 2 · May 3, 2018

Serial Number B251392 was reported as accurate.

newross 2 · May 3, 2018

Serial Number B251392 was reported as accurate.

Anonymous · March 23, 2018

Serial Number B250443 was reported as accurate.

Anonymous · February 24, 2018

Serial Number B253507 was reported as accurate.