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A close-up of Hublots Square Bang Unico King Gold Blue, featuring an 18k King Gold square case, exposed mechanical dial with blue accents, and a textured blue rubber strap.
The Hublot Square Bang Unico King Gold Blue features a rose gold case, blue skeleton dial, blue rubber strap, exposed gears, and chronograph flyback subdials, set against a black background.
A close-up of the Hublot Square Bang Unico King Gold Blue watch displays its exposed mechanical movement through a transparent case back, highlighting its 18k King Gold craftsmanship.
Close-up of Hublots Square Bang Unico King Gold Blue, showcasing its 18k King Gold case, blue dial, and exposed gears that highlight the timepiece’s intricate craftsmanship and mechanical details.
Close-up of the Hublot Square Bang Unico King Gold Blue watch clasp, featuring an 18k King Gold plate, black casing, and a textured blue rubber strap.
A Hublot Square Bang Unico King Gold Blue watch with a blue skeleton dial and blue rubber strap is displayed on a gray geometric pedestal.
The Hublot Square Bang Unico King Gold Blue features a rose gold case, blue skeleton dial with gold indices, blue rubber strap, visible chronograph subdials, and flyback chronograph function.
A close-up of Hublots Square Bang Unico King Gold Blue, featuring an 18k King Gold square case, exposed mechanical dial with blue accents, and a textured blue rubber strap.
The Hublot Square Bang Unico King Gold Blue features a rose gold case, blue skeleton dial, blue rubber strap, exposed gears, and chronograph flyback subdials, set against a black background.
A close-up of the Hublot Square Bang Unico King Gold Blue watch displays its exposed mechanical movement through a transparent case back, highlighting its 18k King Gold craftsmanship.
Close-up of Hublots Square Bang Unico King Gold Blue, showcasing its 18k King Gold case, blue dial, and exposed gears that highlight the timepiece’s intricate craftsmanship and mechanical details.
Close-up of the Hublot Square Bang Unico King Gold Blue watch clasp, featuring an 18k King Gold plate, black casing, and a textured blue rubber strap.
A Hublot Square Bang Unico King Gold Blue watch with a blue skeleton dial and blue rubber strap is displayed on a gray geometric pedestal.
The Hublot Square Bang Unico King Gold Blue features a rose gold case, blue skeleton dial with gold indices, blue rubber strap, visible chronograph subdials, and flyback chronograph function.
A close-up of Hublots Square Bang Unico King Gold Blue, featuring an 18k King Gold square case, exposed mechanical dial with blue accents, and a textured blue rubber strap.
The Hublot Square Bang Unico King Gold Blue features a rose gold case, blue skeleton dial, blue rubber strap, exposed gears, and chronograph flyback subdials, set against a black background.
A close-up of the Hublot Square Bang Unico King Gold Blue watch displays its exposed mechanical movement through a transparent case back, highlighting its 18k King Gold craftsmanship.
Close-up of Hublots Square Bang Unico King Gold Blue, showcasing its 18k King Gold case, blue dial, and exposed gears that highlight the timepiece’s intricate craftsmanship and mechanical details.
Close-up of the Hublot Square Bang Unico King Gold Blue watch clasp, featuring an 18k King Gold plate, black casing, and a textured blue rubber strap.
A Hublot Square Bang Unico King Gold Blue watch with a blue skeleton dial and blue rubber strap is displayed on a gray geometric pedestal.

Hublot Square Bang Unico King Gold Blue

821.OX.5180.RX 42 mm
View Specs
Regular price $44,900

This item is not available for purchase online at this time.

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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.
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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

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Free Expedited Delivery

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

Square Bang- breaking boundaries Presented in a 42mm 18k King Gold case and bezel Powered by the HUB1280 UNICO manufacture self- winding movement Showcasing a clear sapphire crystal dial Equipped with chronograph flyback function THE SQUARE BANG COLLECTION Hublot has adapted the elegant spirit of Big Bang to create an exclusive barrel shaped collection that offers clever multi-layer construction, and countless combinations of striking materials, colours and finishes. With a new, disruptive, and unconventional case shape, the Square Bang collection showcases the evolution of the Hublot brand. GROUND BREAKING DESIGN Presented in a 42mm18k King Gold case, this timepiece is secured by a black and blue structured lined rubber strap and is fitted with a co-ordinating bezel with 6 H-shaped titanium screws. The in-house HUB1280 UNICO manufacture self-winding movement with chronograph flyback function can be seen at work through the sapphire crystal dial. A 72 hour power reserve and water resistance to 10 bar (100 metres) complete this timepiece.

General

Condition

New

Brand

Hublot

Reference

821.OX.5180.RX

Product Code

17171156

Power Reserve

72 Hours Approx

Features

Deployment clasp
Automatic movement
Waterproof

Case

Case Size

42 mm

Case Shape

Square

Case Material

18Ct Rose Gold

Bezel Material

18ct Rose Gold

Bezel Color

Rose

Crystal

Sapphire

Dial

Dial Color

Blue

Dial Texture

Skeleton

Dial Markers

Baton

Stone Set

No

Movement

Type

Auto

In-house Movement

Yes

Bracelet

Type

Strap

Stone Set

No

Buckle

Deployment