Normally, perpetual calendars all look fairly similar, with a commonality that has become part and parcel of watch design in general. This year, I think we saw the start of an era where the ...

Don’t miss this handy freebie: a perpetual birthday calendar that’s perfect for keeping track of birthdays and other spe ...

Audemars Piguet’s new Royal Oak Perpetual Calendar is a very clever piece of engineering ... Quantième Perpetuel), are designed to faithfully track the date over leap-year cycles, with some even ...