Stuhrling Original Men's 395R.33U61SET Aquadiver Regatta Champion Sport Swiss Quartz Divers Rubber Strap Set Watch Brushed 316l surgical grade stainless steel round shaped case with protective kysterna crystal on front Black and blue interchangeable link style high grade silicon rubber strap set with stainless steel buckle Water-resistant to 200 M (660 feet) Blue unidirectional ratcheting bezel with printed numerals