Parnis 43mm Automatic Black Dial Pilot Date Silver Hands Men's Steel Watch P042703 Automatic movement FunctionsHour, minutes, seconds, date. Push button at 10 o'clock to adjust the date Push button at 4 o'clock to adjust the moon phase case diameter 43 mm without crown Brushed 316L stainless steel case and Back with polished bezel Water resistance: 3 ATM