Hublot · Spirit of Big Bang

Strap for Spirit of Big Bang 45 Titanium / Pavé

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter45 mm
Reference601.NX.0173.LR.1704
FamilySpirit of Big Bang
MovementHublot caliber HUB4700 Hours, Minutes, Small Seconds | Date | Chronograph, Column wheel
CaseTitanium, Resin, Diamond

Spring bar

Swiss Standard universal spring bars

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

Straps for the Spirit of Big Bang 601.NX.0173.LR.1704

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Spirit of Big Bang 601.NX.0173.LR.1704, seen from the bench

The Hublot Spirit of Big Bang 45 Titanium 601.NX.0173.LR.1704 features a tonneau-shaped case in grade 5 satin titanium with a 45mm diameter and integrated 20mm lug width. Powered by the automatic HUB4700 skeletonized movement, it displays hours, minutes, small seconds, date, and chronograph functions visible through the openworked dial. The bezel is set with 42 diamonds following the tonneau curve, while water resistance reaches 50 meters.

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