Rolex Sea Dweller model 1665, automatic movement, black dial with silver-tone hands and index hour markers. Features minute markers on the outer rim, luminous coating for enhanced readability in low light, scratch resistant sapphire crystal glass, screw-down crown ensuring water-tightness during diving, solid case back. Silver-tone stainless steel bezel and round 40 mm case equipped with a screw down aperture at the 6 o'clock position allowing pressure equalization underwater up to 2000 feet (600 meters). Automatic mechanical movement providing accurate timekeeping without manual winding. Oyster bracelet made of silver-tone stainless steel includes a fold over clasp fitted with a safety release mechanism. Date display positioned at the 3 o'clock window on the black dial.