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