Transparent Sapphire Watches

The Hublot Big Bang Sapphire Sky Blue Showcases a Clear Sapphire Case

The Hublot Big Bang Sapphire Sky Blue pairs the brand's transparent sapphire case construction with a skeletonized manual-winding movement accented in sky blue. Limited to 100 pieces, the 44mm timepiece features a clear multi-piece sapphire case, a matching sky-blue rubber strap with a one-touch quick-release system and a skeleton dial that reveals the mechanical architecture beneath. Blue movement bridges become a defining visual element, shifting the emphasis from the case to the exposed mechanics.

Powering the watch is the in-house HUB1201 Meca-10 caliber, a 223-component movement equipped with twin mainspring barrels that deliver a 10-day power reserve. The movement incorporates a rack-and-pinion power reserve display while remaining fully visible through the transparent case. Continuing Hublot's long-running exploration of sapphire materials and exposed mechanics. The Hublot Big Bang Sapphire Sky Blue is priced at $84,300 and was released in July as a limited edition of 100 pieces.

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