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Perpetual Calendar

Models and reviews

A perpetual calendar automatically considers leap years without requiring manual correction. The perpetual calendar segment keeps evolving at a fast pace. It includes models not requiring any adjustments until 2100, when the leap year cycle ends, to more advanced models programmed until 3999, like the 2024 Portugieser Eternal Calendar, currently the most advanced model from this point of view.

The Audemars Piguet Royal Oak RD#2 Perpetual Calendar Ultra-Thin watch hands-on

The Audemars Piguet Royal Oak RD#2 Perpetual Calendar Ultra-Thin watch hands-on

You should always expect the SIHH to be bursting with new Royal Oak watches. It is something quite inevitable and, ...

27 March 2021

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IWC Big Pilot’s Watch Perpetual Calendar Spitfire Bronze

IWC Big Pilot’s Watch Perpetual Calendar Spitfire Bronze

A spectacular booth The IWC's booth in Geneva was without a doubt one of the most ...

25 March 2021

18

The IWC Ingenieur Perpetual Calendar Digital Date Month watch hands-on

The IWC Ingenieur Perpetual Calendar Digital Date Month watch hands-on

Three years ago, my knowledge of the Ingenieur collection by IWC was limited to “reference 1832”, the Ingenieur SL. Raffaella, a ...

14 January 2021

8

Introducing the Audemars Piguet Royal Oak Perpetual Calendar watches

Introducing the Audemars Piguet Royal Oak Perpetual Calendar watches

The bad piece of news is that I’m among the last ones to release an article about the 2015 Audemars ...

5 May 2020

5