Pocket Watch Database

Movement Specs Production Population Registry 4 Value For Sale Save to My Collection Print Page
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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/ball/B261871
Access Date: April 23, 2024
From the American Horology Archive:
Ball - Waltham

Grade: Official Standard

Manufacturer: Ball - Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: B261871
Grade: Official Standard
Model: 1899
Estimated Production Year: 1918
Run Quantity: 500
Grade/Model Run: 81 of 107
Grade/Model Total Production: 71,861
Size: 16s
Jewels: 19j
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: D32330
Case: Various
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 213.95
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: 4 (0.80%)
Research Note: Corresponds to Waltham Serial run starting with #22,261,401
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Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There are 4 watches in the population registry for this run with 1 image.
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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.

Blicquer Supporter 75 · July 14, 2022

Serial Number B0261431 was reported as inaccurate.

Note: Sorry, should have caught this before I verified
this before. Jewel count is 15J on this example,
not 17, as confirmed by the watchmaker who cleaned
it, and because there is no pillar plate jewel for
the center wheel arbor.
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

Blicquer Supporter 75 · July 13, 2022

Serial Number B0261431 was reported as accurate.

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

JPFour Supporter 8 · June 14, 2021

Serial Number B261781 was reported as inaccurate.

Note: It is lever set, not pendant set. Clearly
engraved "Trade Mark Official Standatd" with gold
plug. Dial is ORRS logo. It should be Railroad =
yes
Curator Response: Thanks for the report. Yes, lever-set would certainly be considered railroad grade. These runs will be refined in the near future based on recent research.
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

rmwatchandclock Supporter 366 · June 10, 2021

Serial Number B261781 was reported as inaccurate.

Note: Serial number B261781 is lever set and may be
considered railroad grade.
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

Anonymous · September 18, 2020

Serial Number B0261442 was reported as inaccurate.

Note: The movement is marked commercial standard
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

Anonymous · September 27, 2019

Serial Number B0261442 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 · March 24, 2019

Serial Number B0261442 was reported as inaccurate.

Note: movement marked commercial standard
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

Anonymous · March 11, 2019

Serial Number B0261442 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 · May 18, 2017

Serial Number B261714 was reported as inaccurate.

Note: Railroad Grade : No?
This is not accurate. Movement makes: Official RR
Standard
Curator Response: Please report whether your watch is Pendant-Set or Lever-Set. Thanks.
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

Anonymous · March 22, 2017

Serial Number B261441 was reported as inaccurate.

Note: This movement is marked Official RR Standard
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

rock862 242 · September 9, 2016

Serial Number B0261420 was reported as inaccurate.

Note: This movement is a commercial standard
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

Anonymous · August 6, 2016

Serial Number B0261474 was reported as accurate.

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

rock862 242 · August 6, 2016

Serial Number B0261474 was reported as inaccurate.

Note: This movement is comical standard
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

ncplumber 150 · November 13, 2015

Serial Number B0261446 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 · October 22, 2015

Serial Number B0261446 was reported as accurate.

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

consulmollard 1 · July 29, 2015

Serial Number B261787 was reported as accurate.

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

Gasperoff Supporter 727 · March 30, 2015

Serial Number B0261452 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 · March 25, 2015

Serial Number B0261542 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 · April 19, 2014

Serial Number B261636 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 · March 15, 2014

Serial Number B261883 was reported as accurate.

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

Roberto 43 · January 11, 2014

Serial Number B261441 was reported as inaccurate.

Note: Lever set
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

Anonymous · November 14, 2013

Serial Number B0261412 was reported as inaccurate.

Note: only has 15 jewels
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