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