Solar, powered by light energyHour, minute, and second handsJapanese-quartz MovementCase Diameter: 44.5mmWater resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving Product Features
Caliber Specifications: 8X82, GPS Solar Chronograph GPS controlled time and time zone adjustment Chronograph up to 6 hours in 1/5 second increments Perpetual calendar correct to the year 2100, Signal