Ecologically friendly, light powered Eco-Drive Caliber U600 Japanese-quartz movement; Charges in natural sunlight or indoor light
Max power reserve: 180 days to 30 Months with Power Save; Low charge warning: 3 days; Charge time from stop state to max charge: Incandescent Light - 150 hrs, Outdoors, Cloudy (10,000 Lux) - 60 hrs, Outdoors, Sunny (100,000 Lux) - 20 hrs
Durable, hardened non-reflective mineral crystal; Case diameter: 48 mm; 2 Alarms; 1/100 second chronograph measures up to 24 hours; 99 minute countdown timer; Rotating slide rule bezel
Titanium case; Black dial; Perpetual-calendar; World time (43 cities) functions; Greenwich Mean Time display; Atomic timekeeping with radio-controlled accuracy
