Brushed stainless steel case with polished finished sides. Polished stainless steel Twinlock crown. Polished stainless steel smooth bezel. Silver dial with a fine sunray finish which acheives a very light shadings of grey. Polished gold hands, the hours & minute hands with luminous filled tips. Applied gold polished index hour markers with luminous fill. Fine printed minutes/seconds track. Rolex in-house calibre 2232, beats at 28,800 vph (4Hz), contains 31 jewels & has an approximate power reserve of 55 hours. Features Syloxi hairspring in silicon with patented geometry, high-performance Paraflex shock absorbers & a bi-directional self-winding rotor. AKA: m277200-0001