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Hublot Big Bang Unico 421.NL.5170.RX - Skeletonized Dial Used (Very good) Men's watch/Unisex Buy in Switzerland
In Stock
Original box, no original papers

Hublot Big Bang Unico 421.NL.5170.RX

Reference
421.NL.5170.RX
Case diameter
44 mm
Dial
Skeletonized
Case material
Titanium
Condition
Used (Very good)
Bracelet color
Blue
USD 11,640 USD 12,120 -4%
Free insured shipping to · delivery November 18 – November 19
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14-day return · Warranty included · Insured shipping
Contact via WhatsApp Personal assistance with your purchase

Hublot Big Bang Unico 421.NL.5170.RX Features

Reference number
421.NL.5170.RX
Brand
Hublot
Gender
Men's watch/Unisex
Movement
Automatic
Availability
Item needs to be procured
Scope of delivery
Original box, no original papers
Clasp
Fold clasp
Crystal
Sapphire crystal
Dial numerals
Arabic numerals
Condition
Used (Very good)
Bezel material
Ceramic
Case material
Titanium
Bracelet material
Rubber
Dial
Skeletonized
Case diameter
44 mm
Clasp material
Titanium
Year of production
2022
Collection
Big Bang
Model
Big Bang Unico
Bracelet color
Blue
Bracelet length
195 mm
Caliber/movement
HUB1280
Thickness
16.0 mm

Hublot Big Bang Unico 421.NL.5170.RX Description

On this Hublot Big Bang Unico 421.NL.5170.RX, the case is Titanium, the dial is Skeletonized and the bracelet is Rubber. The case measures 44 mm across. The bezel is made of Ceramic.

The dial numerals are listed as "Arabic numerals". The dial is protected by Sapphire crystal. The watch is powered by the Automatic movement.

The bracelet comes in Blue. It is secured by the Fold clasp. The clasp is made of Titanium. The watch dates from 2022.

Condition and set

The reference number 421.NL.5170.RX separates this version from other variants of the model, down to dial, bezel and bracelet details, so match it against the photos before you buy.

Authenticity and service

Every watch sold by WATCHOYSTER is inspected and authenticated by our certified watchmaker and verified against The Watch Register before it reaches you. Each piece comes with our warranty and a 14-day return policy. Interested in the Hublot Big Bang Unico 421.NL.5170.RX? Write to us on WhatsApp, and we will send additional photos and delivery details.

Watch Certificate™

Watch Certificate™

For maximum security and transparency, a Watch Certificate™ can be provided upon request. This independent document confirms the authenticity of the timepiece and protects you from counterfeit or altered watches.

International Certification

International Certification

We cooperate with the global organization The Watch Register®. Upon request, every watch - whether new or pre-owned — can be supplied with an official certificate from this international authority.

Insured delivery

Insured delivery

All orders are shipped with full insurance, ensuring that both domestic and international shipments are safe and worry-free.

14-day return policy

14-day return policy

You may return the watch within 14 days if it differs from the description or photos, or if there is a defect not mentioned.

Inspected by Certified Watchmaker

Inspected by Certified Watchmaker

All our timepieces are thoroughly inspected by our certified watchmaker to ensure authenticity and perfect working condition. Every watch we offer is guaranteed to be 100% original.

Personal collection

Personal collection

When preferred, collect your watch from our private showroom in Geneva. A secure and discreet handover, designed for your comfort and peace of mind.

How Returns Work

Contact Us

1. Contact Us

Contact us Inform us about the return by writing via WhatsApp — it’s the fastest and easiest way.

Secure Return

2. Secure Return

Secure return We will provide you with an insured shipping label so you can safely return your watch.

Money Back

3. Money Back

Once your returned watch has been received and inspected, approved refunds are processed within 7–10 business days, using the original payment method whenever possible.

Hublot Big Bang Unico 421.NL.5170.RX
Security & Warranty
Authenticity
Flexible payment options
Insured shipping

Before You Buy Hublot Big Bang Unico 421.NL.5170.RX

Key details about authentication, financing, viewing, delivery, and condition.

Yes. Before shipment, our certified watchmaker thoroughly inspects this Hublot Big Bang Unico (Ref. 421.NL.5170.RX). The inspection covers movement accuracy, the integrity of its Titanium case (44 mm), the condition of its Skeletonized dial, and overall authenticity. The serial number is also checked against The Watch Register.

This timepiece comes with 24 months of WATCHOYSTER Official Brand Service Coverage, with eligible repairs carried out at authorised brand service centres at our expense. Our 14-day return policy also applies if the watch does not match its description or photographs.

Flexible financing is available for selected watches to eligible customers residing in Switzerland. Currently, financing is offered for watches priced up to CHF 10,000.

Eligible models are clearly marked with a financing badge on the product page.

Interest rates, repayment periods and approval conditions depend on the financing provider. Full details are presented during the application process at checkout.

WATCHOYSTER is a professional luxury watch dealer based in Geneva, Switzerland. Due to our secure storage and logistics arrangements, we do not offer in-person viewings before purchase.

However, we are happy to provide additional photographs, detailed videos, and personal assistance to help you make a confident decision.

Clients are welcome to collect their watches in person at our Geneva office by appointment after purchase.

This Hublot Big Bang Unico 421.NL.5170.RX is carefully inspected and verified before shipment, then dispatched fully insured from our Geneva facility. Delivery typically takes 4–7 business days, depending on the watch and destination. Estimated delivery dates specific to this timepiece are clearly displayed on its product page. Tracking information is provided once the watch has been dispatched. Included with this timepiece: Original box, no original papers.

This Hublot Big Bang Unico is listed in Used (Very good) condition. Before shipment, our certified watchmaker carefully inspects the case, dial, bezel, crystal, and bracelet to verify its condition and ensure it matches the description. Real photographs on this page show the actual watch. Included with this timepiece: Original box, no original papers. A WatchCertificate digital passport is available on request, providing independent documentation of the watch’s authenticity, condition, and available service history.

Customer Reviews

Real impressions from clients who worked with our team and received their watches.

  • 5.0
    Pascal M.
    CH · 17.04.2024
    Verified
    Article
    5.0
    Average
    5.0
    Delivery
    5.0
    Communication
    5.0
  • 5.0
    Luigi C.
    IT · 29.10.2025
    Verified
    Article
    5.0
    Average
    5.0
    Delivery
    5.0
    Communication
    5.0
  • 5.0
    Janos E.
    CH · 17.12.2025
    Verified

    I purchased my Blancpain Bathyscaphe Titanium from Wachoyster on Chrono24 and the entire process was excellent. Communication was clear and professional, the watch arrived exactly as described, and all documentation was complete and authentic. The dealer was responsive and trustworthy throughout, making the transaction smooth and worry‑free. I highly recommend Wachoyster to anyone looking for a reliable and professional experience on Chrono24.

    Article
    5.0
    Average
    5.0
    Delivery
    5.0
    Communication
    5.0
  • 5.0
    Joseph d.
    CH · 26.01.2026
    Verified
    Article
    5.0
    Average
    5.0
    Delivery
    5.0
    Communication
    5.0
  • 5.0
    ZJ
    US · 25.04.2025
    Verified

    As advertised. Great communication and helpful info to deal with US customs. Packaging was great and watch arrived in perfect condition

    Article
    5.0
    Average
    5.0
    Delivery
    5.0
    Communication
    5.0
  • 5.0
    Giancarlo L.
    CH · 02.09.2025
    Verified

    Everything ok, quick delivery - very nice watch! Gladly again at any time. Thank you

    Article
    5.0
    Average
    5.0
    Delivery
    5.0
    Communication
    5.0
  • 5.0
    Mitsuyoshi M.
    JP · 13.01.2025
    Verified

    Fast shipping and courteous messages. This is a trustworthy shop. Thank you very much.

    Article
    5.0
    Average
    5.0
    Delivery
    5.0
    Communication
    5.0
  • 5.0
    Marcel L.
    CH · 24.06.2025
    Verified

    Everything was perfect. Thank you.

    Article
    5.0
    Average
    5.0
    Delivery
    5.0
    Communication
    5.0
  • 4.7
    Jan K.
    DE · 09.06.2026
    Verified
    Article
    5.0
    Average
    4.7
    Delivery
    4.0
    Communication
    5.0
  • 5.0
    rodrigo z.
    CL · 17.05.2025
    Verified
    Average
    5.0
    Communication
    5.0

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