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