Edox Men's 'Class-1' Swiss Quartz Stainless Steel and Rubber Sport Watch, Color:Black (Model: 10016 357RN NIR2) Screw down security crown Tachymeter Chronograph function Unidirectional rotating bezel; Black IP case Water resistant to 990 feet (300 M):suitable for scuba diving to a depth of 30 meters for up to 2 hours