Hublot · Big Bang

Strap for Big Bang Unico 45 King Gold / Blue

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

Lug width

24mm

24 mm straps All Hublot

Lug width24 mm

Case diameter45 mm

Reference411.OX.5189.RX

FamilyBig Bang

MovementHublot caliber HUB1242 Hours, Minutes | Date | Chronograph, Flyback, Column wheel

CaseRed Gold, Resin

Spring bar

Swiss Standard universal spring bars

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

View →

Straps for the Big Bang 411.OX.5189.RX

Selected for the 24 mm lug width · workshop selection

All 24 mm straps →

The Big Bang 411.OX.5189.RX, seen from the bench

The Big Bang Unico 45 King Gold / Blue (ref. 411.OX.5189.RX) features a 45mm case combining 18-carat rose gold with black composite resin. Powered by the Hublot HUB1242 automatic chronograph movement with flyback function, it delivers precise timekeeping for dynamic use. The watch requires a 24mm strap, designed to fit Hublot's proprietary H-shape lug system with precision compatibility.

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