Rolex Oyster Perpetual Air-King automatic watch. Solid stainless steel case in excellent condition (appear polished in the past)—attractive factory original dial in immaculate condition. The original set of index hands is in excellent condition. This watch will come professionally serviced and ready for everyday wearing. The high-grade automatic movement is a Rolex calibre 1520. The case model on this watch is 5500 and measures 34.4mm across, excluding the crown by 40mm lug tip to lug tip. The case serial number is 5487797, which dates this timepiece to 1978. New case gasket and a new case-tube gasket. Gasket replacement is vital to protect against moisture. The screw-in crown is original and signed. Acrylic crystal is in excellent condition. It will come with its original 19mm metal bracelet. The bracelet and watch will fit up to a 7.5-inch wrist. The wrist size in the photo is 6 inches.