Audemars Piguet · Royal Oak
Strap for Royal Oak Perpetual Calendar Stainless Steel / Silver
Integrated bracelet: measurements, the most common questions, and the way to a made-to-measure strap.
Integrated bracelet
The Audemars Piguet Royal Oak 25820ST.OO.0944ST.03 is designed with a bracelet integrated into the case. For a compatible made-to-measure strap, the Casati Milano atelier builds it on your watch.
Case diameter39 mm
Reference25820ST.OO.0944ST.03
FamilyRoyal Oak
MovementAudemars Piguet caliber AP 2120 / 2802 hours, minutes | date, day, leap year, month, perpetual calendar | moonphase
CaseStainless Steel
The Royal Oak 25820ST.OO.0944ST.03, seen from the bench
The Audemars Piguet Royal Oak Perpetual Calendar ref. 25820ST features a stainless steel case with integrated octagonal design and eight visible hexagonal screws, designed by Gérald Genta in 1972. The watch houses a perpetual calendar movement and is paired with custom leather straps crafted by Atelier Casati Milano, available in materials such as Mississippi alligator, aged Barenia, and silk Swift leather for a precise, tailored fit.
The next step
The right strap isn't chosen. It is built, together.
From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only