48mm case in stainless steel with bracelet strap and anti-reflective sapphire crystal. Blue dial with luminous hands and indexes and date window. Perpetual calendar chronograph, dual time, and alarm. 12/24-hour time, power reserve, light level indicator, and time/date sync. Phone search and filter, Bluetooth compatibility to iOS and Android, and visual/vibration alerts. The Eco-Drive Proximity is powered by light and requires zero wires or plugs for charging. Water resistant up to 100 meters and three-hand Eco-Drive W770 movement.