DLC coated stainless steel automatic with chronograph, flyback, date, small seconds, round, 3atm, dial: black index, textile strap Metal Type: DLC coated stainless steel Case Size: 43 mm Movement: automatic Function: hour, minutes, small seconds, chronograph, flyback, date Water Resistant: 30 m Bracelet: rubber Buckle: DLC coated stainless steel folding clasp