Not only will Patek Philippe's Perpetual Calendar wristwatch display the time, but also the day, date, and month of the year. It is also equipped with a 24-hour hand and leap year indicator. The self-winding timepiece features a yellow gold case with beautifully scalloped lugs and an ivory lacquered dial with applied Breguet numerals. Choose between an interchangeable solid-gold case back or sapphire-crystal case back.
Perpetual Calendar wristwatch, £67,710, Patek Philippe, Wempe Jewellers London, 43-44 New Bond Street, W1S, wempe.com