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Hublot Big Bang Unico Sapphire All Black Limited Edition

Ten years after the launch of the All Black concept, and to mark the anniversary of this current “must-have” trend, Hublot is disrupting the natural order. It uses transparency to foster a new connection between the visible and invisible. The exterior of the Big Bang watch is now invisible, so that the construction and movement of the timepiece are now fully observable. Through a fusion of materials, textures and finishes, Hublot has used the Big Bang Unico Sapphire All Black to reinterpret the iconic all black style.

Following the exclusive presentation a few weeks ago of the Big Bang  Unico  Sapphire  –  a  timepiece  entirely  made  from  sapphire  which required months of development and multi-million investments –  Hublot is doing it all again by presenting a piece so bold it is verging on impertinent. It is combining opposites – the visible and the invisible – in a piece which expresses the very essence of its All Black concept.

Transcending the materials used in its creation, the Big Bang Unico Sapphire All Black is crafted from blocks of sapphire crystal – sapphire that has been coated with metal. Enhanced by black, this sapphire maintains its transparent properties in a subtle balancing act.

Transferring the expertise amassed from machining very hard materials such as Magic Gold, Hublot has developed its industrial mastery of an extremely complex material, one of the hardest, most scratch resistant and transparent in existence – sapphire. This method of machining sapphire enables Hublot to render this material — which can only be cut by diamond — more accessible, transforming its status as something unique, only seen in private collections, by using it to create a limited edition of 500 pieces.

By sculpting sapphire into the complex shape of its iconic Big Bang case, Hublot is achieving a double feat with the Big Bang Unico Sapphire All Black.

Transparency combined with skeleton work allows the workings of the Unico manufacture movement to be laid bare. This complete visibility means that the column wheel positioned on the dial side is now no longer the only feature of the movement which can be seen. Even the strap combines transparency with the signature all black style.

Technical details
Model: Big Bang Unico Sapphire All Black
Reference: 411.JB.4901.RT
Limited edition of 500 pieces

Diameter 45 mm, made from polished black smoked sapphire crystal
Bezel: Polished black smoked sapphire crystal;6 H-shaped screws, countersunk,  polished and locked, in black PVD-coated titanium
Crystal: Sapphire with interior/exterior anti-reflective coating and Hublot logo
Crown: Black rubber and Black PVD titanium with satin-finish
Push-buttons: Black PVD titanium with satin-finish
Case-back: Polished black smoked sapphire crystal
Water resistance; 5 ATM, i.e. approx. 50 metres


Black polished transparent composite resin skeleton dial
Appliques and hands with black luminescent coating

HUB 1242 UNICO movement with black PVD coating, developed and manufactured in-house by Hublot
Automatic Flyback chronograph with column wheel and double clutch visible on the dial side
Date: Window at 3 o’clock
Power reserve: Approximately 72 hours

Black transparent structured, ribbed strap
Clasp: Black PVD titanium deployant buckle

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