Stuhrling Original Men's 'Delphi' Automatic Stainless Steel and Leather Casual Watch, Color:Black (Model: 657.01) Round watch with silver skeleton dial featuring dual time, AM/PM indicator at 12 o'clock, and GMT 42mm stainless steel round case with shatter resistant Krysterna crystal dial window Automatic self wind movement with analog display and water resistant to 50m (165 ft) Black genuine leather strap with tang buckle closure Automatic Movement - This watch is powered by the motion of the wearer's wrist. For first time wear the crown must be turned clockwise about 20-30 full turns. If the watch is not worn for 8 or more hours per day, it will work slower than usual or even stop briefly.