A pre-owned men's analog automatic chronometer wristwatch from the Rolex Oyster Perpetual 36 series, model reference number 116000 BLSO. Features a blue dial with silver-tone hands and hour markers, fixed stainless steel bezel, screw-down crown, sapphire crystal glass, solid case back, and an oyster bracelet crafted in silver-tone stainless steel. Powered by the Calibre 3130 automatic movement which includes 31 jewels and operates at 28,800 vph beats per hour with approximately 48 hours of power reserve. Round case shape measures 36 mm in diameter, scratch-resistant sapphire crystal, luminescent coating on hands and markers for night readability, minute and hour index markers along the outer rim, fold-over clasp closure equipped with safety release mechanism. This Swiss-made luxury timepiece is water resistant to a depth of 100 meters (approximately 330 feet) making it suitable for recreational diving.