Technical Archive

Bulgari
Octo 102975

Bulgari Octo 102975: strap made to measure on the watch at the Casati Milano atelier, by appointment.

Octo Finissimo Automatic Titanium / Blue / Italy

Technical Specifications

Bulgari 102975
Reference

102975

Movement

Bulgari caliber BVL 138 Hours, Minutes, Small Seconds

The Heritage

The Octo Finissimo Automatic Titanium features an octagonal titanium case of 40mm diameter. This Bulgari model combines a mechanical movement with integrated bracelet design. The watch exemplifies refined Italian watchmaking architecture with exceptional thinness and geometric precision.
Made to Measure

The strap for this watch is made to measure

On the Bulgari Octo the bracelet is drawn as part of the case: no catalogue strap will fit. In the atelier we take the measurements on the watch itself and build the strap on the piece — that is the work of Casati Milano.

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FAQ

Can you fit a standard strap to the Bulgari Octo 102975?

No—the bracelet is integrated into the case. There are no standard lugs to attach a strap. The octagonal architecture demands a custom solution. I build new attachment points directly onto your case, respecting the original geometry.

How does the custom strap process work for this Bulgari?

Come to <a href="/pages/casati-booking">Casati Milano</a>, by appointment. I bring the watch to the bench, study every line of the octagonal case, and hand-build the leather attachment points. It's not a modification—it's a continuation of the design.

Which leather would you recommend for the Octo 102975?

Mississippi Alligator. This watch is pure titanium, sporty and geometric: alligator leather has the same structural tension, the same visual lightness. It doesn't weigh the watch down—it amplifies it. It ages with character, just like the case.

How long does a well-made strap last?

Between six and eight years with normal care. Noble leather—especially alligator—wears well if you don't expose it constantly to sun and humidity. When it starts to tire, come back to the atelier: I revitalise it or rebuild it. Good leather is an investment that moves with you.

Why is the Bulgari Octo's integrated bracelet so important?

Because it's not an accessory added on—it completes the octagonal geometry. The continuity between case and bracelet creates a visual flow that defines the entire piece. Breaking it with a generic strap would destroy the balance. That's why here in the atelier, we rebuild everything from scratch, bespoke.

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.

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By appointment only · Milan

The atelier's website: casatimilano.com