Pre-owned Rolex Explorer 36 114270 BKSO. Silver-tone stainless steel case with silver-tone stainless steel oyster bracelet and fixed silver-tone bezel. Black dial features silver-tone hands, index hour markers, and minute markers around the outer rim. Analog dial with luminescent hands and markers. Equipped with Rolex Calibre 3130 automatic chronometer movement containing 31 jewels, beating at 28800 vph, and offering ~48 hours power reserve. Scratch-resistant sapphire crystal. Screw-down crown and solid case back. Round 36mm case with fold over clasp featuring safety release. Water resistant to 100 meters / 330 feet. Analog functions include hour, minute, and second. Chronometer certified. Item is Swiss Made. Pre-owned condition, likely includes Rolex service certificate.