39mm 18K yellow metal case, 18 kt metal crown with domed, domed and fluted bezel, scratch-resistant sapphire crystal scratch-resistant sapphire, intense black dial, Arabic and index hour markers, 7140, manufacture Rolex perpetual self-winding movement with centre hour and minute hands, small seconds hand at 6 oâclock, and stop-seconds for exact time setting, approximately 66 hours of power reserve, alligator leather strap, double folding dualclasp buckle. Waterproof to 50 metres / 165 feet.