Brand New Authentic Rolex Datejust 31 model M278273-0029. Polished yellow gold and stainless steel case, fixed fluted bezel, olive green dial with polished yellow gold hands and diamond hour markers at the 3,6 and 9 o'clock positions. Automatic chronometer movement (Rolex Calibre 2236). Screw-in winding crown. Scratch resistant sapphire crystal. Round case size: 31mm. Fixed solid fluted bezel. Solid case back. Water resistant up to 100 meters / 330 feet. Includes an Oysterclasp bracelet, powered by the Calibre 2236 with a 55 hour power reserve and equipped with date function at the 3 o'clock position. Five year WatchMaxx warranty provided.