7mm. Royal Oak Offshore Chronograph Ceramic Royal Oak Offshore Chronograph Ceramic In blue Audemars Piguet This calendar year marks the 30th anniversary of the Royal Oak Offshore, which at first debuted in AP’s catalog back in 1993. In celebration, we get two additional additions for the Offshore lineup following the https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/