The Hublot Square Bang Unico Titanium Ceramic (Ref. 821.NM.0170.RX) introduces a geometric square evolution to Hublot’s iconic Big Bang DNA. BBF Factory delivers an incredible 1:1 Super Clone edition, accurately replicating the ergonomic 42mm Grade 5 titanium square case, black ceramic bezel, high-transparency sapphire skeleton dial, quick-release strap mechanism, and a smooth-operating HUB1280 automatic flyback chronograph movement.
Key Features & BBF Factory Upgrades
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Ergonomic 42mm Grade 5 Titanium Square Case: Sculpted square casing engineered from lightweight Grade 5 titanium with alternating satin-brushed and polished bevels, protected by a satin-finished black ceramic bezel with 6 H-shaped titanium screws.
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Sapphire Skeleton Dial with Visible Column Wheel: High-transparency sapphire dial displaying a fully openwork date ring, dual chronograph sub-dials, hands with rainbow-textured finish, and an operational column wheel mechanism visible at 6 o’clock.
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Double AR-Coated Bridge Sapphire Crystal: High-clarity sapphire glass engineered with dual-sided anti-reflective coating for maximum transparency.
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Custom HUB1280 Automatic Flyback Movement: Powered by BBF’s custom self-winding mechanical movement offering dual sub-dial chronograph timing, smooth sweeping seconds, and reliable timing performance.
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One-Click Quick-Release Rubber Strap: Textured black rubber strap featuring Hublot’s signature One-Click quick-release button system, paired with a titanium folding deployment clasp.
Technical Specifications
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Model Reference: Hublot Square Bang Unico Titanium Ceramic Ref. 821.NM.0170.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: Grade 5 Titanium with Satin-Finished Black Ceramic Bezel
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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 & Titanium Clasp
Why Choose the BBF Square Bang Unico 821.NM.0170.RX?
The Square Bang Unico Ref. 821.NM.0170.RX represents the next generation of modern luxury chronograph design. BBF Factory’s precise Grade 5 titanium case finishing, authentic sapphire skeleton dial execution, and functional HUB1280 column wheel movement make this 1:1 super clone a premier statement piece for watch collectors.
Frequently Asked Questions (FAQ)
Q: Is the case made of genuine Grade 5 titanium? A: Yes, BBF Factory constructs this model using high-grade titanium to deliver a lightweight feel and durable satin-brushed finish.
Q: Does the strap feature the working One-Click system? A: Yes, the quick-release mechanism at the case lugs is fully functional, allowing quick and easy strap swapping without tools.










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