Ball Pocket Watch: Serial Number 1B598 (Grade 999B)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/ball/1B598

Access Date: October 20, 2024

From the American Horology Archive:

Ball - Hamilton

Grade: 999B

Manufacturer:	Ball - Hamilton
Movement Serial Number:	1B598
Grade:	999B
Model:	5
Estimated Production Year:	1944
Run Quantity:	500
Grade/Model Run:	2 of 12
Grade/Model Total Production:	28,800
Size:	16s
Jewels:	21j
Movement Configuration:	Openface
Movement Finish:	Nickel
Finish Pattern:	Circular
Movement Setting:	Lever
Plate:	3/4 Plate
Adjusted:	Yes
Adjusted # of Positions:	6
Adjusted to Temperature:	Yes
Railroad Grade:	Yes
U.S. Patents:	D32330
Movement Markings:	Official Standard Ball Watch Co. Cleveland,O. 999B 21 Jewels 6 Positions Adjusted Trade Mark
Case:	Various
Database Version:	v52.427
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	86.71
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	655.18
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	24.965%
Registry Population: Scoped for This Run Only	2 (0.40%)

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
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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.