Audemars Piguet’s first crop of newness this year celebrates the brand’s 150th anniversary. To celebrate, it's launching a new perpetual calendar.

In celebration of its 150th anniversary, Audemars Piguet has proudly unveiled a new selection of timekeeping novelties, embodying performance, ergonomics and aesthetic harmony. Leading the lineup are a trio of references equipped with AP’s brand new perpetual calendar complication: the Caliber 7138.

With Audemars Piguet turning 150 this year, anticipation has been building as to what the much-loved Swiss watchmaker will do to celebrate such a major milestone. Here's a look at what's being unveile

Perpetual calendar watches are usually fiddly to adjust, needing a tool. New Audemars Piguet models are reset with turns of a single crown.

This year, Audemars Piguet celebrates its 150th, so it’s no surprise its research and development teams worked for five years to create something they believe might change watchmaking for the next 150.