Titanium case with a black rubber strap. Fixed bezel. Digital dial. Dial Type: digital. Quartz movement. Scratch resistant sapphire crystal. Solid case back. Round case shape, case size: 43.5 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. Additional Info: bluetooth 4.2, wi-fi (802.11b/g/n 2.4ghz), gps, nfc payment. Summit Series. Sport watch style. Montblanc Summit Chronograph Quartz Digital Mens Watch 123851.