Hublot · Classic Fusion

Strap for Classic Fusion 45 Chronograph Titanium / Green

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

Integrated bracelet

The Hublot Classic Fusion 521.NX.8970.LR 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 diameter45 mm
Reference521.NX.8970.LR
FamilyClassic Fusion
MovementHublot caliber HUB1143 hours, minutes, small seconds | date | Chronograph
CaseTitanium, Resin

Spring bar

Swiss Standard universal spring bars

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

The Classic Fusion 521.NX.8970.LR, seen from the bench

The Hublot Classic Fusion 521.NX.8970.LR features a 45mm satin-finish titanium case with resin inserts, embodying the Art of Fusion philosophy. Powered by the in-house HUB1143 automatic caliber, it offers hours, minutes, small seconds, date, and chronograph functions. The iconic six-screw bezel is a structural design element of the Classic Fusion family. The 20mm lug width is precisely engineered for correct strap integration with the titanium case.

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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Casati Milano · Via XX Settembre 15, Milan · by appointment only