The Hublot Square Bang Unico Black Ceramic 42mm (Ref. 821.CX.0140.RX) brings Hublot’s iconic “All Black” aesthetic to the square chronograph profile. BBF Factory delivers an extraordinary 1:1 Super Clone edition, accurately replicating the ergonomic 42mm black ceramic square case, transparent sapphire skeleton dial, One-Click quick-release strap attachment, and a fully functional HUB1280 automatic flyback chronograph movement.
Key Features & BBF Factory Upgrades
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High-Tech 42mm Black Ceramic Square Case & Bezel: Ergonomic square casing sculpted from high-density black ceramic with satin-brushed and polished bevels, secured by 6 signature H-shaped black PVD titanium screws.
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High-Transparency Sapphire Skeleton Dial: Openwork sapphire crystal dial revealing a fully skeletonized date wheel, dual chronograph sub-dials, hands with rainbow-textured finish, and an active column wheel visible at 6 o’clock.
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Bridge-Shaped Sapphire Crystal with Double AR Coating: High-clarity sapphire glass engineered with dual-sided anti-reflective coating for maximum optical clarity under glare.
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Custom Asian HUB1280 Automatic Flyback Movement: Powered by BBF’s custom self-winding mechanical chronograph movement offering dual sub-dial timing, sweeping seconds, and reliable timing performance.
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One-Click Quick-Release Black Rubber Strap: Structured black rubber strap featuring Hublot’s signature One-Click quick-release button mechanism, paired with a black PVD titanium folding deployment clasp.
Technical Specifications
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Model Reference: Hublot Square Bang Unico Black Ceramic Ref. 821.CX.0140.RX
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Factory: BBF (BBF Factory)
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Case Diameter: 42 mm (Thickness: Approx. 14.5 mm)
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Case Material: Satin-Finished and Polished Black Ceramic
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Dial: High-Transparency Sapphire Skeleton Dial with Visible Column Wheel & Openwork Date
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Movement: Custom Asian HUB1280 Automatic Flyback Chronograph Movement (28,800 vph)
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Glass: Double AR-Coated Scratch-Proof Sapphire Crystal
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Strap: Black Structured Rubber Strap with One-Click System & PVD Titanium Clasp
Why Choose the BBF Square Bang Unico Black Ceramic 821.CX.0140.RX?
The Square Bang Unico Black Ceramic Ref. 821.CX.0140.RX offers one of the most tactical, sleek, and high-tech aesthetics in modern watchmaking. BBF Factory’s rich black ceramic finishing, clear sapphire skeleton dial, and operational HUB1280 column wheel movement make this 1:1 super clone a premier statement piece for watch collectors.
Frequently Asked Questions (FAQ)
Q: Is the black ceramic case prone to scratching or fading? A: No, BBF Factory utilizes high-density forged black ceramic, which provides permanent black color and extreme scratch resistance.
Q: Does the strap feature the working One-Click quick-release system? A: Yes, the quick-release push-button mechanism at the case lugs is fully functional, allowing quick and easy strap swapping without tools.
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