Strap for Royal Oak Offshore 26172 Pride of Siam

No. The bracelet is integrated into the case: there is no standard lug to attach an off-the-shelf strap. The attachment is proprietary, designed around that hybrid ceramic-steel geometry. In the atelier I build the strap directly on the watch, starting from the actual case.

I work by appointment only at <a href="/pages/casati-booking">Casati Milano</a>, at Via XX Settembre 15 in Milan. I take measurements directly from the case: I study the exact curvature of the lugs, the pin thickness, the precise profile of the ceramic. Nothing is decided remotely, nothing is left to chance.

I recommend black gloss Mississippi alligator. The High-Tech ceramic on this Offshore has a dense, almost architectural surface — a glossy leather works with it rather than against it. I have seen pairings with raw natural leather, but on this watch they lose tension. Black gloss keeps the sporting character without dulling it.

A strap built from first-grade leather with solid stitching lasts five to eight years of daily wear, sometimes longer. It depends on how it is worn and how the leather is cared for. Alligator ages by compacting, developing a patina that tells the time — it does not deteriorate, it transforms.

It means the case combines two materials with very different physical behaviours: High-Tech ceramic is extremely hard and virtually scratch-resistant, while stainless steel handles structural stress and worked profiles. It is not merely an aesthetic choice. I have seen this combination managed with this level of architectural coherence on very few watches — every angle and every exposed hexagonal screw has a precise role in the overall logic of the case.