Hublot · Classic Fusion

Strap for Classic Fusion 42 Chronograph King Gold / Black / Bracelet

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

Lug width

20mm

20 mm straps All Hublot

Lug width20 mm

Case diameter42 mm

Reference540.OX.1180.OX

FamilyClassic Fusion

MovementHublot caliber HUB4302 Hours, Minutes, Small Seconds | Date | Chronograph

CaseRed Gold, Resin

Spring bar

Swiss Standard universal spring bars

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

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Straps for the Classic Fusion 540.OX.1180.OX

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Classic Fusion 540.OX.1180.OX, seen from the bench

The Classic Fusion 540.OX.1180.OX is a 42mm chronograph featuring an 18-carat rose gold case combined with high-tech resin. Powered by the HUB4302 manufacture caliber, it displays hours, minutes, seconds on subdial and date. The case diameter balances legibility and wrist proportion, with visible screws as a signature Hublot structural element. The 20mm lug width requires precise compatibility due to the patented integrated attachment system.

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