Ball - Hamilton Pocket Watch: Serial Number 497888 (Grade 999G)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/ball-hamilton/497888

Access Date: December 23, 2024

From the American Horology Archive:

Ball - Hamilton

Grade: 999G

Manufacturer:	Ball - Hamilton
Movement Serial Number:	497888
Grade:	999G
Model:	1A
Estimated Production Year:	1906
Run Quantity:	200
Grade/Model Run:	2 of 15
Grade/Model Total Production:	4,400
Size:	18s
Jewels:	19j
Movement Configuration:	Openface
Movement Finish:	Nickel
Finish Pattern:	Circular
Movement Setting:	Lever
Plate:	Full Plate
Double Roller:	Yes
Regulator:	Ball
Adjusted:	Yes
Adjusted # of Positions:	5
Adjusted to Temperature:	Yes
Railroad Grade:	Yes
U.S. Patents:	D25695, 565955
Movement Markings:	Official RR Standard 999 The Ball Watch Co. Cleveland. Adjusted Double Roller. 19 Jewels Sapphire Pallets Safety Pinion Trade Mark Patented June 30'96 Pat.Aug.18'96.
Case:	Various
Database Version:	v52.518
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	13.24
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	100.00
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	3.814%
Registry Population: Scoped for This Run Only	3 (1.50%)

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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.