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Description
BBF Hublot Big Bang Unico Sky Blue Ceramic 42mm
A definitive execution of colored ceramic milling paired with an architecturally accurate skeletonized chronograph caliber.
Powered by Custom HUB1280 Clone
The custom HUB1280 clone movement represents a significant departure from basic decorated chronographs. BBF has re-engineered the top plate to ensure the column wheel is fully visible and operational from the dial side, closely mimicking the genuine Unico 2 architecture. The skeletonized framework allows for clear observation of the gear train, while improved rotor efficiency provides stable winding for the complication module.
Rated at ±10–15 s/day. This custom clone caliber provides reliable timekeeping and chronograph engagement, though periodic regulation is recommended for optimal precision.
- ✅ Power Reserve: Approximately 36 hours
- ✅ Complications: Fully functional Chronograph with 60-minute counter and Date
- ✅ Winding Direction: Bidirectional via skeletonized rotor
Technical Specifications
Constructed from genuine pigmented ceramic, ensuring the case is highly scratch-resistant and cool to the touch. The 42mm profile features precise alternating polished and micro-blasted finishes.
Features floating indices treated with Sky Blue and white luminescent material, offering a deep, three-dimensional view of the movement’s column wheel and date wheel.
Solid ceramic bezel insert matching the case tone exactly, secured by six signature H-shaped titanium screws with correct countersunk polishing.
Equipped with Hublot’s proprietary One-Click quick-release mechanism. The strap features a white base with sky blue lining, secured by a titanium deployant clasp.
Why BBF for This Reference?
Many collectors ask: “Why not older V6F versions?”
While V6F historically produced competent Big Bang replicas, BBF has monopolized the Unico 2 architecture and colored ceramic market. The BBF execution utilizes true solid ceramic rather than PVD-coated steel, yielding the correct weight, thermal properties, and color depth. Furthermore, the dial-side visible column wheel on the BBF HUB1280 clone is a distinct mechanical advantage over the standard 7750 modifications found in older builds.
Full Disclosure: Due to the skeletonized dial and heavily modified gear train, the rotor and chronograph engagement pushers operate with slightly more mechanical noise than the genuine Hublot caliber.
Data Sheet
| MODEL REFERENCE | 441.EX.5120.RX |
| FACTORY / VERSION | BBF Edition |
| MOVEMENT | Custom HUB1280 Clone |
| CASE MATERIAL | Solid Sky Blue Ceramic |
| WEIGHT & THICKNESS | [unconfirmed] | 14.5mm |
| CRYSTAL & LUME | Sapphire with Double AR | Super-LumiNova |
| DIMENSIONS | 42.0mm × 52.0mm × 14.5mmManual measurements — minor tolerances apply. |
| WATER RESISTANCE | 30m stated rating — professional pressure test recommended before swimming |
Collector Q&A
Q: Is the BBF Sky Blue case made of real ceramic or coated steel?
A: The BBF edition utilizes solid, pigmented sky blue ceramic. It is not PVD-plated steel, meaning it provides genuine scratch resistance and thermal properties identical to authentic ceramic components.
Q: Does the One-Click strap system work on this replica?
A: Yes, the BBF model replicates the proprietary Hublot One-Click quick-release mechanism, allowing you to swap compatible straps without the use of specialized spring bar tools.
Q: How does the HUB1280 clone movement differ from a standard 7750?
A: BBF heavily modified the base architecture to mimic the Unico 2 caliber. Most notably, they relocated the column wheel to the dial side, making it visible through the skeletonized face just like the genuine reference.
Q: What is the main limitation of this specific BBF Unico clone?
A: Due to the extensive modifications required to relocate the column wheel and skeletonize the dial plate, the movement exhibits slightly more rotor noise and stiffer pusher engagement compared to a genuine Hublot Unico caliber.
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