Audemars Piguet · Royal Oak

Strap for Royal Oak Self-Winding Flying Tourbillon Platinum / Baguette / Ice Blue

Integrated bracelet: measurements, the most common questions, and the way to a made-to-measure strap.

Integrated bracelet

The Audemars Piguet Royal Oak 6535PT.ZZ.1220PT.01 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 diameter41 mm
Reference6535PT.ZZ.1220PT.01
FamilyRoyal Oak
MovementAudemars Piguet caliber AP 2950 hours, minutes | tourbillon escapement
Year2021
CasePlatinum

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

The Royal Oak 6535PT.ZZ.1220PT.01, seen from the bench

The Royal Oak with reference 6535PT.ZZ.1220PT.01 is equipped with the AP 2950 automatic caliber featuring a tourbillon escapement and hour-minute indication. The watch has a platinum case and bracelet in the characteristic octagonal design of the collection. The movement offers a power reserve and a visible tourbillon mechanism on the dial.

Frequently asked questions

Can a standard strap be fitted to the Royal Oak 6535PT.ZZ.1220PT.01?

No. The bracelet is integrated into the case: there is no standard lug to attach an off-the-shelf strap. The design is conceived as a single, monolithic whole. The only viable route is to build a bespoke attachment directly on the watch, in the atelier.

How does the bespoke strap service work for this Royal Oak?

I work by appointment only, at <a href="/pages/casati-booking">Casati Milano</a>, Via XX Settembre 15, Milan. I bring the watch to the bench, study the exact profile of the platinum case, and hand-shape every attachment piece by piece. Only this way does the fit look fluid and seamless, as if it always belonged there.

Which leather do I recommend for this platinum Royal Oak?

I prefer black gloss Mississippi alligator. Platinum has a quiet gravity, a chromatic depth that doesn't shout — and black gloss accompanies it without overwhelming it. The alternative is naturally aged Barenia, for those who want a warmer, more tailored character. Both hold their own against the nobility of the material.

How long does a well-made strap last?

With basic care — keeping it away from water, rotating it if you own more than one — a well-built alligator or Barenia strap easily lasts five to eight years. Barenia ages by developing a personal patina, unique to the person wearing it. Alligator holds its structure longer and refines itself over time.

What sets the platinum Royal Oak apart from other Royal Oak references?

Platinum isn't simply a rarer material than steel or gold: it has a density and a weight that change the way the watch sits on the wrist. I've had steel and platinum examples side by side on the bench — you feel the difference before you even look at it. This is a reference Audemars Piguet reserves for those who already know everything else.

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