Men's Audemars Piguet Royal Oak Concept Black Panther Tourbillon Hand-Wound Mechanical Movement Calibre 2965 with a fixed black ceramic bezel, grey titanium case, purple rubber strap, silver-tone dial featuring luminous hands and markers (black), transparent sapphire crystal case back, round shape measuring 42 mm diameter and 14.6 mm thickness, deployment buckle clasp, water resistance to 50 meters/165 feet, limited edition of 250 pieces.