The Rolex Sky-Dweller Everose Gold Oyster 42mm case, screw down case back and winding crown. The Bezel is fluted , bidirectional ratatable Rolex Ring Command. The Dial is dark rhodium highly legible Chromalight display with long-lasting blue luminescence. The Calibre is 9001 with 72 hour power reserve and 40 jewels. The Bracelet is Everose Oyster with Folding Oysterclasp with Easylink 5mm comfort extension link. The Water resistance is 100m/330 feet.