Stainless steel automatic in-house caliber with date, small seconds, COSC certified, round, 3atm, dial: black index, alligator strap Metal Type: Stainless steel Case Size: 43 mm Movement: automatic Function: hour, minutes, small seconds, date, COSC certified Water Resistant: 30 m Bracelet: alligator Buckle: stainless steel folding clasp