Diesel's Mega Chief 51mm | DIESEL watch 51mm case, 26mm band width, mineral crystal, Quartz movement with chronograph analog display, imported.. Round nylon case, with a silver dial.. Yellow, polyurethane band. Water resistant up to 50m: Wearable while swimming in shallow water. Diesel's Mega Chief 51mm watch features a silver sunray dial with white and black stick indexes and yellow gradient crystal, logo-accented aluminum clip , nylon case, chronograph movement and logo-pressed yellow transparent gradient polyurethane strap. Needs new battery, still has protective sticker on back of face