Withstanding harsh land environments, this Casio Mudmaster Carbon Core Guard Men\'s Watch features the new carbon core guard case providing it with a dust and mud resistant structure. At A Glance  Presented on a black resin strap with buckle fastening 55.4mm case size with 200m water resistance Black dial with luminous coated watch hands Numbered hour markers and indexes with day and date display Powered by quartz movement Bluetooth connectivity Compass and thermometer features Shock resistant