Hublot · Big Bang

Strap for Big Bang Unico 45 Sapphire

Takes 24 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width24 mm
Case diameter45 mm
Reference411.JX.4802.RT
FamilyBig Bang
MovementHublot caliber HUB1242 hours, minutes | date | Chronograph, Flyback, column wheel
Year2016
CaseResin | Titanium, Resin, Sapphire

Spring bar

Swiss Standard universal spring bars

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

Straps for the Big Bang 411.JX.4802.RT

Selected for the 24 mm lug width · workshop selection

All 24 mm straps →

The Big Bang 411.JX.4802.RT, seen from the bench

The Hublot Big Bang Unico 45 Sapphire (ref. 411.JX.4802.RT) is an iconic contemporary luxury sports watch launched in 2005 as a manifesto of Art of Fusion. The 45mm case combines technical resin, aeronautical titanium, and sapphire crystal in a sculptural yet functional design. Powered by the Hublot HUB1242 manufacture caliber with flyback chronograph complication, it features a column wheel for precise mechanical control. The 24mm lug width accommodates specific strap attachments and requires dedicated 24mm straps for proper alignment.

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