Stuhrling Original Men's 'Aquadiver' Quartz Stainless Steel Diving Watch, Color:Silver-Toned (Model: 824.03) Round stainless steel watch featuring a grey dial with luminous markers, counterclockwise-rotating bezel, screw-down crown, and magnified date window at 3 o'clock position 42mm stainless steel round case with crown guard and shatter resistant Krysterna crystal dial window Quartz movement with analog display Stainless steel link bracelet with foldover clasp Water-resistant to 200 m (660 ft) This watch features a screw-in crown, a feature commonly available in diver's watches, helps prevent water getting into the case through the watch-stem hole. When it is screwed down it forms a water tight seal much like the seal between a jar and its lid.