Case material: Yellow gold; Charge: Automatic; Conditions: New Presentation condition : With boxes and all papers; Model: Oyster Perpetual Price on request Gmtbroker Reference: 116688White Rolex 116688 White Complete Details: Case: Polished 18kt Yellow gold case. Polished 18kt Yellow gold patented "Triplock" locking crown crown ensuring that the crown screws down onto the Oyster case as securely as a submarine hatch. Polished 18kt yellow gold chronograph buttons. Bezel: Polished 18kt yellow gold  uni-directional rotating bezel. Ribbed edge for a sure grip. Blue "Cerachrom" bezel insert, made of ceramic which is extremely hard, durable & highly scratch-resistant. Ceramic has excellent corrosion resistant properties & is unaffected by ultraviolet rays so the color will not fade. Engraved, filled & matte finished yellow gold plated numbers & graduation indexes. Bracelet & buckle features: Brushed outer links & polished center links. Double locking Oysterlock deployant clasp. Fitted with the patented Easylink 5mm extension link. Dial: White dial. Yellow gold rimmed sub-dial. Applied polished yellow gold rimmed index hour markers with luminous fill. Fine printed minute/seconds track on the dial rim. Hands: Blued steel hour & minute hands with luminous filled tips The hour hand is partially skeletonized. Blued steel small seconds hand. Red chronograph related hands. Regatta Chronograph: Adjustable 10 minute countdown stopwatch. Flyback function allows the instant resetting & restart