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 back in 1993. In celebration, we get two more additions on the Offshore lineup following the https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/