(TrendHunter.com) The Audemars Piguet 150th anniversary novelties reveal new perpetual calendars and tourbillons across the Royal Oak and Code 11.59 lines. Two Royal Oak perpetual calendar models debut in 38 mm…(TrendHunter.com) The Audemars Piguet 150th anniversary novelties reveal new perpetual calendars and tourbillons across the Royal Oak and Code 11.59 lines. Two Royal Oak perpetual calendar models debut in 38 mm…