Very fine condition, looking to be unpolished, 1997 (U Serial) Rolex Daytona Zenith reference 16520. Provided with its original Certificate and inner and outer boxes. Original Luminova dial and SEL Rolex 78390 Oyster bracelet showing little to no stretch. Perfect and very clean Rolex Zenith movement, Caliber 4030, running perfectly, all chronograph functions spot on. Recently cleaned and timed. Waterproof to 30 meters. Insurance and UPS Express delivery worldwide included.