7mm. Royal Oak Offshore Chronograph Ceramic Royal Oak Offshore Chronograph Ceramic In blue Audemars Piguet This calendar year marks the thirtieth anniversary from the Royal Oak Offshore, which at first debuted in AP’s catalog again in 1993. In celebration, we get two more additions to the Offshore lineup adhering to https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/