A luxury men's watch from Rolex featuring an 18K yellow gold and steel case, mother of pearl dial with diamonds and yellow gold accents, tachymeter function on the fixed bezel, analog display with central chronograph second hand for timekeeping, three sub-dials displaying minutes, hours, and 30-minute/60-second functions respectively, automatic movement powered by Calibre 4130 mechanism with a power reserve of up to 72 hours, sapphire crystal resistant to scratches, screw-down crown, solid case back, round shape in size 40mm, water-resistant to 100 meters (330 feet), and equipped with an Oysterlock clasp.