Hublot · Classic Fusion
Strap for Classic Fusion 45 Chronograph King Gold / Blue / Bracelet
Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
20mm
Lug width20 mm
Case diameter45 mm
Reference520.OX.7180.OX
FamilyClassic Fusion
MovementHublot caliber HUB1143
Hours, Minutes, Small Seconds | Date | Chronograph
CaseRed Gold, Resin
Straps for the Classic Fusion 520.OX.7180.OX
Selected for the 20 mm lug width · workshop selection
Black Alligator Strap with Light Blue Edges€210
Black Alligator Strap with White Edges€210
Millenium Cognac Alligator Strap€270
Matte Blue Alligator Strap€270
Green Rubberized Alligator Strap with Ecru Tribal Stitching€185
The Classic Fusion 520.OX.7180.OX, seen from the bench
The Hublot Classic Fusion 520.OX.7180.OX is a 45mm chronograph combining 18-carat rose gold and black resin, representing a post-industrial aesthetic within the Classic Fusion family. Powered by the HUB1143 automatic movement featuring hours, minutes, small seconds, date, and chronograph function, the watch delivers clean legibility and integrated complications. The 20mm lug width accommodates a wide selection of aftermarket straps while maintaining visual balance between case and bracelet.
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.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only