- 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 (10000 Lux) - 60 hrs Outdoors Sunny (100000 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
- Stainless steel case; black dial; perpetual-calendar; world time (43 cities) functions; Greenwich Mean Time display; atomic timekeeping with radio-controlled accuracy
- Water-resistant to 660 feet (200 M)
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