28mm yellow Rolesor case comprised of a 904L steel monobloc middle case, screw-down steel back, 18K yellow gold screw-down crown with twinlock double waterproofness system, 18K yellow gold fluted bezel, scratch-resistant sapphire crystal with cyclops lens over the date and double anti-reflective coating, silver dial, index hour markers, Rolex calibre 2236 automatic movement with center hour, minute and seconds hands, instantaneous date with rapid setting, and stop-seconds for precise time setting, yellow gold Rolesor Oyster bracelet comprised of a combination of 904L steel and 18K yellow gold in flat three-piece links, folding Oysterclasp buckle with Easylink 5mm comfort extension link. Waterproof to 100 meters.