Ball - Hamilton Pocket Watch: Serial Number B605182 (Grade 999N)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/ball-hamilton/B605182

Access Date: April 24, 2024

From the American Horology Archive:

Ball - Hamilton

Grade: 999N

Manufacturer:	Ball - Hamilton
Movement Serial Number:	B605182
Grade:	999N
Model:	1
Estimated Production Year:	1913
Run Quantity:	800
Grade/Model Run:	4 of 7
Grade/Model Total Production:	5,700
Size:	16s
Jewels:	23j
Movement Configuration:	Openface
Movement Finish:	Nickel
Finish Pattern:	Circular
Movement Setting:	Lever
Plate:	3/4 Plate
Barrel:	Motor
Adjusted:	Yes
Adjusted # of Positions:	5
Adjusted to Temperature:	Yes
Railroad Grade:	Yes
U.S. Patents:	D26267, D32330
Movement Markings:	Official RR Standard Ball Watch Co. Cleveland,O. 23 Jewels Adjusted 5 Positions Motor Barrel Pat.Nov 17 96 Sapphire Pallets Pat.Dec.8.08. Trade Mark
Case:	Various
Database Version:	v52.245
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	17.16
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	129.58
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	4.941%
Registry Population:	5 (0.63%)
Research Note: Gold RR Seal, Ball Patent Hairspring Stud

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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.