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-hamilton/B639750
Access Date: April 27, 2024
From the American Horology Archive:
Ball - Hamilton

Grade: 999P

Manufacturer: Ball - Hamilton
Movement Serial Number: B639750
Grade: 999P
Model: 1
Estimated Production Year: 1933
Run Quantity: 1,000
Grade/Model Run: 10 of 15
Grade/Model Total Production: 40,300
Size: 16s
Jewels: 21j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: 3/4 Plate
Barrel: Going
Adjusted: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Railroad Grade: Yes
U.S. Patents: D32330
Case: Various
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 121.33
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 916.84
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 34.934%
Registry Population: 4 (0.40%)
Research Note: Hamilton Hairspring Stud
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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.

okiejohn 379 · October 13, 2023

Serial Number B639750 was reported as accurate.

cjbrem Supporter 521 · October 12, 2023

Serial Number B639995 was reported as accurate.

Anonymous · May 8, 2022

Serial Number B639394 was reported as accurate.

Anonymous · March 19, 2022

Serial Number B639471 was reported as accurate.

Anonymous · March 6, 2021

Serial Number B639613 was reported as accurate.

LostDutchman Supporter 44 · August 6, 2019

Serial Number B639719 was reported as accurate.

WLBelkriver33 804 · March 3, 2019

Serial Number B639986 was reported as accurate.

dfchong 837 · February 18, 2019

Serial Number B639889 was reported as accurate.

Anonymous · January 17, 2019

Serial Number B639042 was reported as accurate.

Anonymous · May 4, 2018

Serial Number B639622 was reported as accurate.

Anonymous · April 3, 2018

Serial Number B639562 was reported as accurate.

Anonymous · November 8, 2017

Serial Number B639320 was reported as accurate.

Anonymous · July 24, 2014

Serial Number B639889 was reported as accurate.

Anonymous · May 10, 2014

Serial Number B639654 was reported as accurate.

Anonymous · October 9, 2013

Serial Number B639249 was reported as accurate.