Hublot · Big Bang
Strap for Big Bang Original 44 Black Magic
Integrated bracelet: measurements, the most common questions, and the way to a made-to-measure strap.
Integrated bracelet
The Hublot Big Bang 301.CI.1770.RX 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 diameter44 mm
Reference301.CI.1770.RX
FamilyBig Bang
MovementHublot caliber HUB4100
Hours, Minutes, Small Seconds | Date | Chronograph
CaseCarbon | Ceramic, Stainless Steel
The Big Bang 301.CI.1770.RX, seen from the bench
The Big Bang Original 44 Black Magic showcases Hublot's Art of Fusion philosophy in a 44mm case combining carbon, ceramic, and steel. Launched in 2005, this iconic sports watch features the proprietary H-shaped fastening system with exposed screws and complex geometries. Custom strap work is required to accommodate the distinctive sandwich architecture and sculptural lugs of this timepiece.
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