7mm. Royal Oak Offshore Chronograph Ceramic Royal Oak Offshore Chronograph Ceramic In blue Audemars Piguet This year marks the thirtieth anniversary of the Royal Oak Offshore, which originally debuted in AP’s catalog again in 1993. In celebration, we get two extra additions for the Offshore lineup following the slew of https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/