Gold-tone stainless steel case with a gold-tone stainless steel bracelet. Gold-tone stainless steel bezel. Digital dial. Dial Type: digital. Perpetual calendar. Quartz movement. Scratch resistant glass crystal. Solid case back. Round case shape, case size: 41 mm, case thickness: 12 mm. Band width: 1 mm. Tang clasp. Water resistant at 50 meters / 165 feet. Functions: heart rate tracking, smartphone notifications, nfc payments, gps, rapid charging, touchscreen functionality, microphone and google assistant, music storage & controls, customizable watch faces, custom goal & alarm settings, multiple time zones. Additional Info: powered with wear os by google; compatible with android os 4.4+ (excluding go edition) and ios 9.3+ smartphones. Sport watch style. Michael Kors Runway Heart Rate Ladies Golf-tone Smart Watch MKT5045.