This Rolex 116500LN 40mm stainless steel case, Used 2017 , polished 904L stainless steel case, screw-down back and push buttons, with Triplock triple waterproofness, black monobloc ceramic Cerachrom bezel with engraved tachymetric scale, scratch-resistant sapphire crystal, white panda lacquer dial, with Chromalight, black snailed counters, automatic movement with chronograph central second hand, 30-minute counter at 3 o'clock, and 12-hour counter at 9 o'clock, approximately 72 hours of power reserve, 904L stainless steel Oyster bracelet with solid links, folding Oysterlock buckle with Easylink 5mm comfort extension link. Waterproof to 100 meters.