Home / Hublot 421.OX.1180.RX.0904 Big Bang 44mm
  • Front studio shot of Hublot 421.OX.1180.RX.0904 showing baguette bezel, pavé lugs, skeleton chronograph dial, black rubber strap. - Front view
  • Wrist shot of Hublot Big Bang 421.OX.1180.RX.0904 showing rose gold case and diamond-set bezel outdoors. - Video
  • Handheld view of Hublot Big Bang 421.OX.1180.RX.0904 showing black rubber strap and clasp end. - Video
  • Hand-held full view of Hublot 421.OX.1180.RX.0904 showing the long ribbed black rubber strap and pavé case.
  • Hand-held front view of Hublot 421.OX.1180.RX.0904 highlighting the skeleton chronograph dial and baguette bezel.
  • Front close-up of Hublot 421.OX.1180.RX.0904 focusing on the skeleton dial, chrono subdials, and rose gold-tone hands.
  • Hand-held close-up of Hublot 421.OX.1180.RX.0904 highlighting the baguette bezel and pavé rose gold-tone case.
  • Wrist shot of Hublot 421.OX.1180.RX.0904 showing the full case profile with baguette bezel and black rubber strap.
  • Straight-on wrist view of Hublot 421.OX.1180.RX.0904 with baguette bezel and pavé case details in daylight.
  • Angled wrist close-up of Hublot 421.OX.1180.RX.0904 emphasizing bezel stones, pushers, and case finishing.
  • Caseback view of Hublot 421.OX.1180.RX.0904 showing exhibition back and automatic rotor.
  • Clasp close-up of Hublot 421.OX.1180.RX.0904 showing the deployant clasp with HUBLOT engraving on wrist.
  • Studio front view of Hublot Big Bang 421.OX.1180.RX.0904 showing skeleton dial and diamond bezel.
  • Studio another angled view of Hublot Big Bang 421.OX.1180.RX.0904 highlighting pushers.
  • Studio angled view of Hublot Big Bang 421.OX.1180.RX.0904 highlighting rose gold case.
  • Three-quarter studio view of Hublot Big Bang 421.OX.1180.RX.0904 showing bezel screws and dial depth.
  • Close-up of Hublot Big Bang 421.OX.1180.RX.0904 focusing on diamond bezel and skeleton chronograph details.
  • Macro dial detail of Hublot Big Bang 421.OX.1180.RX.0904 showing subdial markings and hands.
  • Side profile of Hublot Big Bang 421.OX.1180.RX.0904 showing crown, pushers and case thickness.
  • Caseback view of Hublot Big Bang 421.OX.1180.RX.0904 showing exhibition back and rotor.
  • Clasp detail of Hublot Big Bang 421.OX.1180.RX.0904 showing HUBLOT buckle on black strap.

Hublot 421.OX.1180.RX.0904 Big Bang 44mm

(5.0)
The ultimate declaration of futuristic mechanical aesthetics, this Big Bang replica watch will subvert your perception of precision timepieces - the 44mm titanium case uses aerospace-grade 3D printing technology, and each hollow structure accurately restores the original 0.05mm industrial aesthetics. The carbon fiber dial is treated with plasma plating in a Swiss laboratory, and it will present a dazzling neon effect from graphite black to racing red in a dark environment. Equipped with a replica HUB4211 tourbillon movement, the patented Magic Lever winding system achieves an ultra-long power reserve of 72 hours, and the iconic "sandwich" case structure uses nano-level rubber injection molding technology, and each seam is manually calibrated 24 times. From Las Vegas nightclubs to Silicon Valley Technology Summits, this "mechanical beast" can make you the center of attention. The micro-laser anti-counterfeiting code under the sapphire glass on the back of the watch and the 200-meter waterproof system inside the crown, even the professors of the Geneva Advanced Watchmaking Institute need a professional spectrometer to see through its replica identity, which can be called "the cyberpunk masterpiece of the 21st century watch industry."
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  • Detail
    Brand: Hublot-Style Replica
    Series: Big Bang
    Model: Big Bang Chronograph (Skeleton Dial)
    Model Number: 421.OX.1180.RX.0904
    Gender: Men's
    Style: Luxury Sport / Statement Piece
    Case
    Case Shape: Round
    Case Diameter: 44 mm
    Case Material (Look): Rose Gold-Tone Case with Black Composite Accents
    Case Finish: Polished with Satin-Brushed Transitions
    Bezel Type: Fixed Bezel
    Bezel Setting: Baguette-Cut Stone Setting (Clear)
    Bezel Screws: H-Style Screws
    Case Decoration: Pavé Stone Setting on Lugs/Case Top
    Crown: Rubberized Crown with Logo Detail
    Pushers: Chronograph Pushers (Start/Stop & Reset)
    Crystal: Sapphire-Style Crystal with Anti-Reflective Coating
    Case Back: Exhibition Back (Screw-Down)
    Dial
    Dial Type: Black / Skeleton Dial
    Dial Color: Black / Metallic Skeleton Layering
    Hour Markers: Applied Indexes with Stone Accents
    Hands: Rose Gold-Tone Hands with Lume Fill
    Subdials: Chronograph Subdials (Two-Register Layout)
    Date Display: Date Window on the Right Side of Dial
    Strap & Clasp
    Strap Material: Rubber Strap
    Strap Texture: Ribbed / Groove Pattern
    Strap Color: Black
    Clasp Type: Deployant Folding Clasp
    Clasp Marking: HUBLOT Engraving
    Movement
    Movement Type: Automatic Chronograph
    Movement Options: Asian / 1:1 Clone
    Caliber: 1:1 Clone HUB1280
    Jewels (Typical): 43
    Frequency (Typical): 28,800 vph (typical)
    Power Reserve (Typical): Approx. 72 hours
    Accuracy (Typical Daily Rate): Deviation: Asian (± 30 - 60 sec/day), 1:1 Clone (± 2 - 5 sec/day)
    Functions
    Time: Hours, Minutes, Central Seconds
    Chronograph: Start/Stop/Reset Chronograph Timing
    Date: Quick-Read Date Window
    Water Resistance
    Water Resistance (By Version): Asian: daily splash resistant; 1:1 Clone: 100 meters
    After-Sales Service
    Warranty (By Movement): Asian Movement: 1 year; 1:1 Clone: 5 years
    QC Before Shipping: Visual inspection, timing check, and function verification
    Support Channel: Order-based support with photo/video diagnostics
    Service Scope: Movement troubleshooting, regulation guidance, and part replacement support
    Return Policy: If you are not satisfied with our product, please return your watch within 30 days for a full refund. See our return policy for details.

    Hublot 421.OX.1180.RX.0904 Big Bang 44mm — 1:1 Clone Quality

    Key Selling Points

    • 1:1 clone finishing with clean case lines, crisp screw details, and high-clarity stone setting.
    • Baguette-set bezel paired with pavé case detailing for a sharp, high-impact wrist presence.
    • Skeleton chronograph dial with layered depth and applied indexes for a premium, genuine-like look.
    • Correct 44mm Big Bang profile designed to match the bold proportions collectors expect.
    • Upgraded 1:1 Clone HUB4100 option for smoother operation and premium replica-level structure.
    • Comfort-first rubber strap with ribbed texture for stable daily wear.
    • Exhibition caseback showcasing the automatic chronograph movement aesthetic.
    • Detail-focused assembly to improve alignment, hand setting, and dial symmetry.

    FAQ

    Quick guidance on daily use, care, and support for the 421.OX.1180.RX.0904.

    How do I choose between Asian, Swiss, and 1:1 Clone versions?
    Choose based on priorities:
    • Value-first: Asian version for everyday styling and basic functionality.
    • Balanced feel: Swiss version for a more refined winding/operation experience.
    • Best overall: 1:1 Clone for top-tier replica accuracy and premium movement structure.
    Is it safe for swimming or showering?
    For best safety, avoid hot water, soap, and steam. If you plan any water activity, we strongly recommend a local pressure test first.
    Tip: temperature changes and impacts during shipping can affect sealing.
    How should I use the chronograph to reduce wear?
    Use the chronograph when needed, and reset only after stopping. Avoid operating pushers underwater and avoid rapid repeated start/stop cycles.
    What should I do if the watch arrives with an issue?
    Contact support with your order number and clear photos/videos (dial, caseback, crown/pushers). We will guide troubleshooting and confirm the next step quickly.
    How do warranty claims work?
    Provide a short video showing the issue (timekeeping, winding, chronograph function). After verification, we offer repair guidance or service solutions depending on the case.
    Note: impact damage, unauthorized repair, or improper water use may be excluded.
    How should I store the watch when not wearing it?
    Store it away from strong magnets and electronics. Lay it flat in a dry place and keep the crown fully pushed in to protect the seals.
    How do I keep the stones and bezel looking clean?
    Use a soft microfiber cloth for daily wipe-down. Avoid chemical cleaners. For deeper cleaning, use a lightly damp cloth and dry immediately.
  • Customer Reviews
    Spi******hn 2024-01-11

    Great quality watch... it truly is a masterpiece at a fraction of price yet elegant and sporty

    Scri*********cent 2023-09-18

    This watch looks amazing, you can wear it everyday with just about anything

30 Day Money-Back Guarantee

We're confident you'll love our products, so we're offering a no-risk, 30-day money-back guarantee. If our products don't meet your highest standards contact us!

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