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