42mm 18K yellow gold case, screw-down back, screw-down crown, fluted bezel with bidirectional rotatable Rolex Ring Command, scratch-resistant sapphire crystal with cyclops lens over the date and double anti-reflective coating, silver sunray dial, Roman numerals, Rolex calibre 9001 automatic movement , second time-zone displayed via off-center rotating disc, Saros annual calendar with date at 3 o'clock and month indicated in discrete apertures at each of the 12 hour marks, 18K yellow gold bracelet Oyster, folding Oysterclasp buckle with Easylink 5mm comfort extension link. Waterproof to 100 meters.