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Someone wearing a Hublot Big Bang Unico Titanium Blue—a large chronograph wristwatch with a skeleton dial, visible gears, blue rubber strap, and bold titanium case—on their left wrist.
Rear view of a Hublot Big Bang Unico Titanium Blue watch with a blue rubber strap, metal clasp engraved with Hublot, titanium case, and visible mechanical movement through the transparent case back.
Close-up of the Hublot Big Bang Unico Titanium Blue, showing its transparent case back and visible mechanical movement inside a sleek titanium case.
A close-up of the Hublot Big Bang Unico Titanium Blue wristwatch, featuring a blue rubber strap, titanium case, and skeleton dial that reveals its intricate inner mechanics.
The Hublot Big Bang Unico Titanium Blue is a chronograph wristwatch with a titanium case, blue rubber strap, and an eye-catching skeleton dial that reveals its intricate mechanical movement.
Someone wearing a Hublot Big Bang Unico Titanium Blue—a large chronograph wristwatch with a skeleton dial, visible gears, blue rubber strap, and bold titanium case—on their left wrist.
Rear view of a Hublot Big Bang Unico Titanium Blue watch with a blue rubber strap, metal clasp engraved with Hublot, titanium case, and visible mechanical movement through the transparent case back.
Close-up of the Hublot Big Bang Unico Titanium Blue, showing its transparent case back and visible mechanical movement inside a sleek titanium case.
A close-up of the Hublot Big Bang Unico Titanium Blue wristwatch, featuring a blue rubber strap, titanium case, and skeleton dial that reveals its intricate inner mechanics.
The Hublot Big Bang Unico Titanium Blue is a chronograph wristwatch with a titanium case, blue rubber strap, and an eye-catching skeleton dial that reveals its intricate mechanical movement.
Someone wearing a Hublot Big Bang Unico Titanium Blue—a large chronograph wristwatch with a skeleton dial, visible gears, blue rubber strap, and bold titanium case—on their left wrist.
Rear view of a Hublot Big Bang Unico Titanium Blue watch with a blue rubber strap, metal clasp engraved with Hublot, titanium case, and visible mechanical movement through the transparent case back.
Close-up of the Hublot Big Bang Unico Titanium Blue, showing its transparent case back and visible mechanical movement inside a sleek titanium case.
A close-up of the Hublot Big Bang Unico Titanium Blue wristwatch, featuring a blue rubber strap, titanium case, and skeleton dial that reveals its intricate inner mechanics.

Hublot Big Bang Unico Titanium Blue

421.NX.5170.RX 44 mm
View Specs
Regular price $20,800
Starting at /mo or 0% APR with Affirm .
Authorized Luxury Retailer
Rolex green flag outside the Watches of Switzerland store with cream columns and large windows.

Renowned for expertise in luxury watch retail, Watches of Switzerland embodies the highest standards of craftsmanship and service. With a history dating back to the 1700s, the company offers a curated selection of premier timepieces and commits to excellence in customer experience grounded in a legacy of trust and industry proficiency.

Authorized Luxury Retailer

Authorized Luxury Retailer

We are an authorized retailer for over 80 luxury watch brands.
Free Expedited Delivery
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Free Expedited Delivery on Orders $100 and Up (Estimated 1-3 Days)

Our secure shipping service operates Monday through Saturday, from 8:00 a.m. to 6:00 p.m. For security reasons, an adult signature is required for every delivery. Watches of Switzerland does not deliver to P.O. boxes or third-party forwarding services. For more information about delivery, click here. Tracking information will be made available upon shipping.

$15 Flat Fee on Orders Under $100 (Estimated 1 - 2 weeks)

Monday through Saturday, from 8:00 a.m. to 6:00 p.m. For more information about delivery, click here. Tracking information will be made available upon shipping.

If you have any questions or concerns regarding your order, please contact the Watches of Switzerland Client Services. 

Free Expedited Delivery

Free Expedited Delivery

We offer free, expedited delivery on all orders over $100.
Simple Easy Returns
customer service woman helping customer

Our commitment to you does not end at delivery. We offer the following return services to make your experience as pleasant as possible.

10-Day Returns For Timepieces:

Timepieces purchased online can be returned or exchanged within 10 days from when they are shipped or collected.

30-Day Returns For All Other Purchases:

All other online purchases can be returned or exchanged within 30 days from when they are shipped or collected.

On presentation of the original receipt, your purchases may be returned or exchanged at any of our store locations. Alternatively, you may elect shipping to our facility with all the original paperwork. All refunds must be credited to the same tender used for the original purchase. To return the online purchases through secure shipping service, please contact our client service team who will provide you the shipping label.

All returns or exchanges must be in new, unworn condition, with no scratches or markings, not sized or adjusted and in their original packaging and with warranty cards / certificated and instruction booklets.

Simple Easy Returns

Simple Easy Returns

Purchase with confidence with our simple, free return policy.

Details

Big Bang Unico – a sporting sense of style Presented in a 44mm grade 5 titanium case with a titanium bezel Powered by the HUB1251 UNICO manufacture movement Striking blue skeleton dial Secured with a robust black and blue structured rubber strap ORIGINAL AND TECHNICAL Hublot’s flagship model, the Big Bang collection has undoubtably revolutionised the watchmaking universe – bringing together extraordinary features that never fail to make an impact. A unapologetic contemporary icon, this range is constantly evolving in line with technological and aesthetic advances. ROBUST AND POWERFUL This model has been designed to move with precision and style, with an anthracite skeleton dial, two chronograph sub-dials, and a date display. Presented in a polished 44mm titanium case, this impressive timepiece is protected by sapphire crystal with anti-reflective treatment and secured with a black and blue structured rubber strap. Power is provided be the Unico 2 calibre, designed to equip smaller chronographs with the power of the original movement. Thanks to technical optimisations, the movement has been reduced by 1.3mm in thickness, while still retaining key features such as a double coupling system, which can be viewed from the side of the dial, as well as a 72-hour power reserve. ?

General

Condition

New

Brand

Hublot

Reference

421.NX.5170.RX

Product Code

17170840

Power Reserve

72 Hours Approx

Features

Deployment clasp
Automatic movement
Waterproof

Case

Case Size

44 mm

Case Shape

Round

Case Material

Titanium

Bezel Material

Titanium

Bezel Color

Silver

Crystal

Sapphire

Dial

Dial Color

Blue

Dial Texture

Skeleton

Dial Markers

Arabic & Batons

Stone Set

No

Movement

Type

Auto

Bracelet

Type

Strap

Stone Set

No

Buckle

Deployment