42mm yellow Rolesor case made up of 904L steel monobloc middle case, screw-down back, 18K yellow gold fluted bezel with bidirectional rotatable Rolex Ring Command, scratch-resistant sapphire crystal with and double anti-reflective coating, champagne dial, index hour markers, Rolex calibre 9001 automatic movement , second time-zone displayed via off-centre rotating disc, Saros annual calendar with date at 3 o'clock and month indicated in discrete apertures at each of the 12 hour marks, stainless steel and 18K yellow gold Oyster bracelet. Waterproof to 100 meters.