Family: 500
World's first battery-powered electric wristwatch (January 1957). Electromagnetic balance wheel drive. Custom battery co-developed with National Carbon Company. Launched in Hamilton Ventura and Pacer. Reliability issues led to quick improvements (500A, 501, 502).
TECHNICAL SPECIFICATIONS
Movement Type
Quartz
Display Type
Analog
More Hamilton movements
QUICK FACTS
BRAND
TYPE
QuartzSTATUS
DiscontinuedMANUFACTURE
In-houseLAUNCH YEAR
1957CALIBER FAMILY
500ALSO KNOWN AS
electric 500
FOR WATCH DEALERS
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