Hublot · Classic Fusion

Strap for Classic Fusion 33 Titanium / Racing Grey / Rubber

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter33 mm
Reference581.NX.7071.RX
FamilyClassic Fusion
MovementHublot caliber HUB2912 Hours, Minutes, Seconds | Date
CaseTitanium, Resin

Spring bar

Swiss Standard universal spring bars

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

Straps for the Classic Fusion 581.NX.7071.RX

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Classic Fusion 581.NX.7071.RX, seen from the bench

The Hublot Classic Fusion 581.NX.7071.RX features a 33mm titanium and high-tech resin case embodying the Art of Fusion philosophy. Powered by the HUB2912 manufacture movement with hours, minutes, seconds, and date display, this refined model delivers exceptional wearability through its lightweight construction and precise engineering. The 20mm lug width is the defining specification for this reference and requires straight-profiled strap ends without excessive tapering.

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