The Hublot Square Bang Unico King Gold Ceramic (Ref. 821.OM.0180.RX) embodies Hublot’s iconic “Art of Fusion” through the bold contrast of warm rose gold tones and sleek black ceramic. BBF Factory presents a fine 1:1 Super Clone edition, accurately replicating the ergonomic 42mm square case profile, high-gloss black ceramic bezel, transparent sapphire skeleton dial, One-Click quick-release strap mechanism, and a fully functional HUB1280 automatic flyback chronograph movement.
Key Features & BBF Factory Upgrades
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Premium 42mm Rose Gold-Plated Square Case: Ergonomic square casing sculpted with heavy rose gold electroplating over solid steel with satin-brushed and polished bevels, protected by a satin-finished black ceramic bezel with 6 H-shaped 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, gold-tone luminous hands, 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 light.
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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 Rubber Strap: Textured black rubber strap featuring Hublot’s signature One-Click quick-release button mechanism, paired with a matching rose gold-plated folding deployment clasp.
Technical Specifications
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Model Reference: Hublot Square Bang Unico King Gold Ceramic Ref. 821.OM.0180.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: High-Grade Rose Gold Electroplated 316L Stainless Steel with 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 & Folding Clasp
Why Choose the BBF Square Bang Unico King Gold 821.OM.0180.RX?
The Square Bang Unico King Gold Ceramic Ref. 821.OM.0180.RX offers an ultra-luxurious, futuristic contrast between rich gold hues and technical ceramic. BBF Factory’s rich rose gold finish, 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: What is the main difference between Ref. 821.OM.0180.RX and Ref. 821.NM.0170.RX? A: The 821.OM reference features a rose gold / king gold finish on the case body and hands, whereas the 821.NM reference features a silver titanium case body.
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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