The Audemars Piguet Royal Oak Perpetual Calendar is not just a watch; it’s an epitome of horological brilliance. The model reference number is 26574ST.OO.1220ST.01, and it stands out as the only piece in the industry offering the original features of this distinguished series. Intrigued yet?

This noble timepiece boasts a majestic blue dial paired with a sleek stainless steel 316L case, showcasing Audemars Piguet’s aesthetic design and technical prowess. The watch case measures 41mm in diameter and is 11.4mm thick, providing a perfect balance between statement and subtlety.

The blue dial features the striking ‘Grande Tapisserie’ pattern, creating an allure that’s both classic and contemporary. Luminescent faceted hour markers and hands glide elegantly over this tapestry. Equipped with sub-dials that meticulously display the day, date, week, month, and leap year, along with a moon phase indicator, this watch is a symphony of precision and design.

Adding to its allure, the watch is fortified with an anti-glare sapphire crystal, enhancing its brightness and transparency. At its core, the watch is powered by the custom-modified Calibre 9015, a testament to craftsmanship that mirrors the original Calibre 5134 automatic movement. Truly, a graduate piece in watchmaking!

In conclusion, the Audemars Piguet Royal Oak Perpetual Calendar transcends mere timekeeping; it is an art form, a statement, and a legacy, all woven into one.