Hublot Big Bang Unico Blue Sapphire
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SKU: 411.JL.4809.RT

Hublot Big Bang Unico Blue Sapphire


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While coloured synthetic sapphires have been in existence since 1902, when they were invented by the French chemist Auguste Victor Louis Verneuil, melting sapphire is a complex and unpredictable process. Because its crystallisation process is unstable, it is difficult to obtain similarly coloured sapphires, even if they are produced simultaneously. Furthermore, bubbles and cracks can appear in the material, making the end result unsuitable for producing Big Bang cases. But the main challenge is in the size. Thus far, no coloured sapphires exceeding 2 kg have been produced. However, Hublot has now gone beyond this threshold. By pushing the limits of engineering and chemistry, it has developed a sophisticated and costly process that has resulted in the successful production of a large, transparent sapphire of perfectly uniform colour. Hublot heats aluminium oxide (Al2O3) — the raw material for sapphire — with a transition metal, chromium (Cr), at a temperature of between 2000 and 2050 degrees Celsius. The result is a coloured sapphire that retains all the original properties of a material which is ultra-scratch resistant, completely transparent and among the hardest in existence. The innovation extends to the colour — the first blue sapphire in the history of watchmaking.

Watch Features

CasePolished blue sapphire crystal, polished blue sapphire crystal with 6H shaped titanium screws bezel
Case BackPolished blue sapphire crystal
Case Width45mm
Case Thickness15.70mm
CrystalSapphire Crystal
Dial ColorPolished and smoked transparent composite resin skeleton dial and appliques with blue luminescent
HandsSatin-finished hands with blue luminescent
Dial MarkersAppliques, luminescent
FunctionsHours, Minutes, Seconds, Chronograph and Date
MovementHUB1242, UNICO manufacture self-winding chronograph flyback movement with column wheel, 72 Hours Power Reserve
Water Resistance50M
Bracelet StrapBlue transparent structured lined straps (Blue Sapphire)
Clasp TypeTitanium Deployant buckle clasp
WarrantyFull Factory Warranty
GenderMen's
BrandHublot
OtherLimited Edition of 250 Pieces

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Sipping Policy


Shipping for Orders on Exquisite Timepieces:

All orders over $500 within US are elegible for Free Shipping. Shipping for orders under $500 is $25.
International Shipping:

International orders are Shipped via FedEx, this orders may be subject to Customs Duties and Tax regulations specified by the designated country, and are the sole responsibility of the customer, the average International order takes up to 1 week for delivery. Oversize and/or high value orders may require additional shipping charges.

Items in stock will ship within 24 hours. If delivery will exceed 7 days, an accurate date will be given within 24 hours or you can call to confirm 1-800-595-5330 or email to info@exquisitetimepieces.com. If you pay with eCheck we will ship your order after the 7-business-day holding period before funds are released by your bank. Orders placed on weekends and/or holidays will be processed on next business day.

Insurance: Exquisite Timepieces insures each purchase during the time it is in transit until it is delivered to you. FedEx obtains a signature from any person at the delivery address. If no one is at the address, FedEx will reattempt delivery; Direct Signature Required overrides any recipient release that may be on file for deliveries to nonresidential addresses.

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