Stuhrling Original Men's 537.33X51 Tourbillon Grand Imperium Limited Edition Mechanical Blue Watch Polished blue IP plated round shaped case with protective sapphire crystals Limited edition, two-hand movement with open-heart tourbillon complication Black hydraulically pressed dial with blue faceplate and individually applied stainless steel roman numerals Black genuine alligator leather strap with blue ion-plated plated deployment push button clasp Water resistant to 165 feet (50 M): suitable for swimming and showering