These perpetual calendars run seamlessly, regardless of how fast your world spins.

Audemars Piguet  Royal Oak Perpetual Calendar Reference 26574​

Perpetual calendars are hardcoded in the DNA at Audemars Piguet. Released in four different versions, the Reference 26574 comes in stainless steel or rose gold, with either a navy blue or silver Grande Tapisserie dial. The case has been enlarged from 39mm to 41mm, making the dial and its indication easier to read. The 52 weeks of the year are indicated by an outer chapter ring with a corresponding central hand. The new, automatic calibre 5134 runs inside the watch and is visible through the case back.

Montblanc Heritage Spirit Perpetual Calendar Sapphire

This timepiece pays homage to the spirit of the legendary Montblanc Meisterstück fountain pen that was introduced in 1924. The remarkable design and function of this watch is a feather in Montblanc’s cap. The 39mm red gold case is 10.24mm thick and water-resistant to 3 bar. The watch is fitted with a self-winding movement and has a power reserve of 42 hours.

Vacheron Constantin Overseas Ultra-thin Perpetual Calendar, calibre 1120 QP

Vacheron Constantin unveiled radical updates to the Overseas line at SIHH, and one of the best offerings is the Overseas Ultra-thin Perpetual Calendar, which is a masterful manifestation of skilled and elegant watchmaking. The timepiece bears the Hallmark of Geneva certification and houses calibre 1120 QP, a mechanical self-winding movement only 4.05mm thick, which is one of the most admired in the world. In a 41.5mm white gold case, the watch can be fitted with a bracelet, a leather strap or a rubber strap.

IWC Pilot’s Watch Perpetual Calendar Digital  Date-Month Spitfire

The digital display showing the date and month in large numerals is the distinguishing feature of an IWC watch. The stainless-steel-cased watch comes with a slate-colour dial displaying the leap year and chronograph functions. Inside the watch beats the IWC-manufactured 89801 calibre with a 68-hour power reserve when fully wound. Fitted with a new brown calfskin strap from Santoni of Italy, the watch has an elegant and rugged look.