Built to withstand harsh conditions while delivering strength and ease of use in a slimmer case, this g-shock master of g mudman watch from casio is a workhorse. The 52. 7mm black carbon core guard case with stainless steel back has a light round dial and easy-to-use buttons features include barometer/altimeter, thermometer, full auto led backlight and mineral crystal solar powered and shock-resistant, with multiband 6 control for accuracy a dual-layered lcd gives an improved compass view the black resin band secures with a buckle clasp water-resistant to 200 meters