The BERING watch has a highly scratch-resistant and flat sapphire crystal covering the blue sunray dial Classic watch collection | classic puristic and yet exciting - inspired by Danish design | quartz movement The case is made from silver IP-plated medical grade (316L) stainless steel. The case is 39 mm in diameter and 6 mm in thickness The strap is made from blue IP-plated milanese consisting of medical grade (316L) stainless steel. The straps length is 185 mm and the width is 18 mm Water resistant up to 5 ATM / 50 meters / 164 feet | General resistance to splashing showering but not to swimming snorkeling or diving