Stuhrling Original Men's 'Tourbillon' Mechanical Hand Wind Stainless Steel and Black Leather Dress Watch (Model: 541.331XK1) Stainless steel round case on a black genuine leather strap Black dial with tourbillon and open heart at 6:00 position and silver Roman numerals Mechanical-hand-wind Movement Case Diameter: 42mm Water Resistant To 165 Feet