Hublot · Spirit of Big Bang
Strap for Spirit of Big Bang 45 Black Magic
Integrated bracelet: measurements, the most common questions, and the way to a made-to-measure strap.
Integrated bracelet
The Hublot Spirit of Big Bang 601.CI.0173.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 diameter45 mm
Reference601.CI.0173.RX
FamilySpirit of Big Bang
MovementHublot caliber HUB4700
Hours, Minutes, Small Seconds | Date | Chronograph, Column wheel
CaseTitanium, Ceramic, Resin
The Spirit of Big Bang 601.CI.0173.RX, seen from the bench
The Spirit of Big Bang 601.CI.0173.RX features a 45mm tonneau case in titanium, ceramic, and resin with integrated asymmetric lugs. This model requires custom strap solutions designed specifically for its non-standard attachment geometry. Milano Straps' Atelier Casati Milano provides bespoke millimetric craftsmanship to ensure perfect integration with the watch's complex architecture.
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