For the fearless adventurer and nature lover, the tough and rugged Master of G MUDMASTER features a bezel and case constructed of heavy duty carbon and environmentally responsible materials. Black analog-digital dial with Neobrite hands and markers 51.0mm carbon fiber-reinforced resin case, bezel and case back cover Mineral crystal Features include digital compass, altimeter/barometer, thermometer, step counter, LED light and more Pair to smartphone via Bluetooth® and use the CASIO WATCHES app Japanese quartz and digital movement Moss green bio-based resin band; buckle clasp Water-resistant to 200 metres We are an authorized Casio dealer