Rolex Sky-dweller ref 326933. 42mm case comprised of a 904L steel and 18k gold monobloc middle case, screw-down back, screw-down crown, 18K gold fluted bezel with bidirectional rotatable Rolex Ring Command, scratch-resistant sapphire crystal with cyclops lens over the date and double anti-reflective coating, black dial, index hour markers, 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, stainless steel Oyster bracelet.