Your new premium GPS multi-sport watch and personal trainer, all-in-one. Titanium alloy bezel finish with sapphire glass for APEX 46mm Stainless steel bezel finish with sapphire glass for APEX 42mm COROS Trainer for advanced training and analysis Intelligent Stride model that learns your running form Wrist-based heart rate monitor UltraMax setting Digital knob Built-in barometer, altimeter, and compass Pre-load breadcrumb trail maps GPS and GLONASS satellite connections ANT+ and BLE connections Interval, aerobic, and anaerobic training Fully customizable home screen Ultra comfortable silicone bands