Stuhrling Original Men's 824.05 Aquadiver Red Bezel Stainless Steel Diver Watch Round stainless steel watch featuring a black dial with luminous markers, counterclockwise-rotating red 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 Japanese quartz movement with analog display Stainless steel bracelet with fold-over clasp and safety 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.