Stuhrling Original Men's 537.333X31 Tourbillon Grand Imperium Limited Edition Mechanical Gold Tone Watch Polished 23K yellow gold layered round shaped case with protective sapphire crystals Limited edition, two-hand movement with open-heart tourbillon complication Gold hydraulically pressed dial with gold tone faceplate and individually applied black roman numerals Black genuine alligator leather strap with gold tone deployment push button clasp Water resistant to 165 feet (50 M): suitable for swimming and showering