Invicta Men's 17276 Russian Diver Analog Display Mechanical Hand Wind Black Watch Round watch with etched skeleton dial and 60-second subdial featuring protected crown 52 mm stainless steel case with synthetic sapphire dial window Mechanical hand-wind movement with analog display Silicone band with buckle clasp Water resistant to 50 m (165 ft): In general, suitable for short periods of recreational swimming, but not diving or snorkeling