Strap for Golden Ellipse 5738 White Gold / Japanese Prints

No. The bracelet is integrated into the case: there is no conventional lug where a standard strap can be attached. It is an architecture designed to be one with the body of the watch. Anyone wanting a strap on this model must go through a bespoke service, built directly around the case.

I only work on this type of attachment in the atelier, by appointment. I place the watch on the bench, study the curvature of the case, and build an attachment that works with the original lines without forcing them. You can book a session at <a href="/pages/casati-booking">Casati Milano</a>, at Via XX Settembre 15 in Milan: that is where I take measurements directly from the case, with no guesswork.

I choose Mississippi alligator, finished with a matte or satin surface. The Golden Ellipse has a formal, geometric character that calls for a leather with its own structure — not something that gives too easily. White gold has a cool luminosity: alligator holds that tone without competing with it. If you prefer something that changes with you over time, Barenia develops an honest patina that only improves with wear.

A strap in alligator or Barenia, properly cared for, will last five to eight years of regular wear without difficulty. The rule is simple: keep it away from water, never leave it bent under pressure, and condition it occasionally with a neutral cream. Quality leather does not degrade — it evolves. Over the years it takes the shape of the wrist and becomes more personal, not less.

In 1968, Patek Philippe built this case around the golden ratio: the relationship between width and height follows a precise mathematical proportion, not an aesthetic intuition. It is not just any oval shape. That geometry is the design, not the decoration. At the bench, when I work around this case, you can feel immediately that every curve is calculated — and that anything added must respect that logic, or it ruins everything.