Hublot · Big Bang

Strap for Big Bang Unico 42 Pink Sapphire

Takes 21 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

21mm

21 mm straps All Hublot

Lug width21 mm

Case diameter42 mm

Reference441.JP.4890.RT

FamilyBig Bang

MovementHublot caliber HUB1280 hours, minutes | date | Chronograph, Flyback, column wheel

Year2024

CaseResin | Titanium, Sapphire

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 Big Bang 441.JP.4890.RT

Selected for the 21 mm lug width · workshop selection

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The Big Bang 441.JP.4890.RT, seen from the bench

The Big Bang represents one of Hublot's main collections, characterized by a contemporary and sporty design. It is equipped with the automatic HUB1280 caliber with flyback chronograph and column wheel functions, as well as hour, minute and date indications. The reference 441.JP.4890.RT features a technically oriented construction focused on chronometric performance.

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