Hublot · Spirit of Big Bang

Strap for Spirit of Big Bang Yellow Sapphire

Integrated bracelet: measurements, the most common questions, and the way to a made-to-measure strap.

Integrated bracelet

The Hublot Spirit of Big Bang 641.JY.0190.RT is designed with a bracelet integrated into the case. For a compatible made-to-measure strap, the Casati Milano atelier builds it on your watch.

Case diameter42 mm
Reference641.JY.0190.RT
FamilySpirit of Big Bang
MovementHublot caliber HUB4700 Hours, Minutes, Small Seconds | Date | Chronograph, Column wheel
CaseTitanium, Sapphire

Spring bar

Swiss Standard universal spring bars

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

The Spirit of Big Bang 641.JY.0190.RT, seen from the bench

The Spirit of Big Bang Yellow Sapphire features Hublot's most radical interpretation of Art of Fusion design with a tonneau case in titanium and sapphire, showcasing completely exposed mechanics. The watch combines sculptural side lugs with an integrated architecture of titanium and sapphire crystal that rejects conventional watchmaking geometry, presenting a bold statement of modern design.

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