A favourite among sea-farers, the Corum Admiral’s Cup AC-One 45 Tides is now proposed with revamped esthetics. With its mechanical movement indicating the time and amplitude of the tides, the lunar cycle, the force of currents and that of the sea, it is still a unique complication piece in the world of top nautical horology, 22 years after it was launched. 8950 €. Chez Ferret, 9 boulevard de la Croisette, Cannes (04 92 59 00 51).