Product Description
This Hublot Big Bang Unico King Gold Blue 441.OX.5181.RX-style replica watch combines the bold architecture of the Big Bang collection with a striking King Gold-tone and blue color scheme. The 42mm case is framed by a fixed King Gold-tone bezel and contrasted by a black composite middle-case structure, giving the watch its characteristic layered construction. A blue skeletonized dial exposes the mechanical-inspired architecture beneath the display, while two chronograph subdials, luminous Arabic numerals and baton hour markers, and a date indication at 3 o’clock create a technical and highly recognizable layout.
Produced by BB Factory and powered by a HUB1280 UNICO automatic flyback chronograph movement, this automatic replica watch is protected by sapphire crystal and paired with a structured blue-and-black rubber strap with a folding clasp. The combination of the warm King Gold-tone exterior, openworked blue dial, contrasting black case elements, and integrated rubber strap gives the 42mm watch a powerful sporting presence. Its flyback chronograph configuration and skeletonized display add a distinctly mechanical character, balancing the bold proportions of the Big Bang design with a refined luxury-inspired finish.
Product Details
| Model | 441.OX.5181.RX |
| Factory | BB Factory |
| Case Size | 42mm |
| Movement | HUB1280 UNICO Automatic Flyback Chronograph Movement |
| Dial | Blue Skeletonized Dial with Dual Chronograph Subdials |
| Date | Date Display at 3 o’clock |
| Case | King Gold-Tone Case with Black Composite Middle Structure |
| Bezel | Fixed King Gold-Tone Bezel |
| Strap | Blue and Black Structured Rubber Strap with Folding Clasp |
| Crystal | Sapphire Crystal |
| Product Type | Automatic Flyback Chronograph Replica Watch |
| Water Resistance | Suitable for everyday splashes only. Not suitable for swimming or showering. Please refer to our Water Resistance Care Guide. |








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