Rolex Submariner Day 116610LN Whole Established 2015, cassa in acciaio da 40mm, quadrante nero, lunetta in acciaio con inserto in ceramica nera, bracciale Oyster in acciaio satinato con chiusura Oysterlock in acciaio.Moreover, due to their chemical composition, the high-tech ceramics are inert and can't corrode. The graduations as well as numerals