Black DLC stainless steel case with a black calfskin leather strap. Fixed black stainless steel bezel. Digital dial. Dial Type: digital. Qualcomm Snapdragon Wear 3100 quartz movement. Scratch resistant sapphire crystal. Solid case back. Round case shape, case size: 42 mm, case thickness: 14.3 mm. Band width: 22 mm. Folding clasp. Water resistant at 50 meters / 165 feet. Functions: chronograph, hour, minute, second, heart rate, microphone, altimeter, accelerometer, gyroscope, ambient light, Bluetooth 4.2, wi-fi (802.11b/g/n 2.4ghz), gps, nfc payment. Additional Info: display:1.2" full circle amoled, 390 x 390 (327 ppi). compatibility: ios 9.3+ and android 4.4+ (excluding go edition). Smart watch style. Montblanc Summit 2 Mens Smart Watch 119438.