CASIO Smart Watch WSD-F20 Protrek Smart

Android wear 2.0, gps, 5 bar Waterproof, mil-same old 810 g durability, 0.8 mm thinner than 1st generation, 50m Waterproof
Digital compass, altimeter, barometer, activity tracker, dual layer lcd structure, original watch face, casio moment setter, microphone, timepiece mode , Quartz Movement
Lithium-ion ,Watch Battery level indicator: interger value, 0 to one hundred% ,Approx. battery life: · In normal use without GPS connectivity – More than 1 day, more or less (varies consistent with use),
Timepiece Mode (timekeeping best) – More than 1 month, more or less (varies consistent with use) · With GPS connectivity at 1-second intervals, as much as 9 hours with accuracy priority (varies consistent with app use), as much as 25 hours with battery priority , Recharging Time: Approx. 2 hours at room temperature
Waterproof to 50m (165ft: normally, suitable for brief periods of recreational swimming, but now not diving or snorkeling , Case Diameter: 61.7mm