Always-on Retina display. New QWERTY keyboard. GPS + Cellular - stay connected using cell carrier. Swimproof water resistant to 50 M. ECG app - analyze heart rhythm. Blood Oxygen app with real-time results. Sleep app and Mindfulness helps monitor overall health. Gold stainless steel case with mirror finish. Gold Milanese loop. Sapphire crystal display. 32GB capacity. Bands fit wrists 130-180mm in circumference. Case size: 45mm x 38mm x 10.7mm. Includes: Milanese loop band. Magnetic fast charger.