About This Watch: This Oris Big Crown Complication Watch 582 7678 4361 MB – 07 8 20 32 has an automatic movement with a moonphase function. It features a silver dial with luminous index and a scratch resistant sapphire crystal. Its finely crafted 40mm case is made out of two tone stainless steel. This watch is water resistant up to 10 atm; 100 meters; 330 feet.