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