5 PERPETUAL CALENDAR
Record Breaker
Audemars Piguet Royal Oak Selfwinding Perpetual Calendar Ultra-Thin
his year, revealed the Royal Oak Selfwinding Perpetual Calendar Ultra-Thin. This ultra-thin self-winding perpetual calendar watch equipped with a complex movement re-engineered to integrate an elegant ultra-thin case, perfectly fitting under the sleeve of a shirt, and endowed with a refined dial design enhancing visibility. With a movement measuring a mere only 2.89mm in thickness and a
