BBF Hublot Big Bang Unico Sang Bleu II Blue Ceramic 45mm
A technically demanding replica that successfully executes the complex multi-faceted ceramic geometry of the Sang Bleu II.
Powered by Clone HUB 1240 Automatic Chronograph
The architecture of this clone caliber is specifically modified to support the unique geometric disc time-telling method of the Sang Bleu series. It features a working 60-minute chronograph register at 3 o’clock and a running seconds indicator at 9 o’clock. The integration of the 8-digit horizontal clutch and customized rotor ensures visual fidelity when viewed through the exhibition caseback.
⏱ Accuracy Profile:
±10–15 s/day (Standard for 7750-based chronograph clones with heavy disc modifications).
- ✅ Power Reserve: Approximately 36 hours
- ✅ Complications: Chronograph, skeletonized date at 4:30, geometric disc time display
- ✅ Winding Direction: Unidirectional
Technical Specifications
THE BUILDBlue Ceramic
45mm multi-piece case (12 components), featuring intricate slicing, chamfering, and faceting to create the signature alternating hexagons and rhombuses.
THE DIALSkeletonized Geometric
Complex layered geometric discs replace traditional hands, accented in deep blue, demanding high manufacturing tolerances to prevent friction during rotation.
THE BEZELBlue Ceramic
Fixed hexagonal bezel with polished bevels and vertical satin brushing, secured by signature H-shaped titanium screws.
THE BRACELETIntegrated Rubber
Blue textured rubber strap echoing the geometric tattoo motifs, fitted with a deployant buckle for secure wear.
Why BBF for This Reference?
Many collectors ask: “Why not other factories?”
BBF has mastered the specific ceramic pigmentation and complex case faceting required for the Sang Bleu II. The 12-piece ceramic construction closely mimics the genuine assembly, whereas lesser versions use simpler molded cases that lack sharp chamfering.
Full Disclosure: The chronograph pusher feel is slightly stiffer than the genuine UNICO movement, and the heavy geometric discs result in a slightly reduced power reserve.
Data Sheet
| MODEL REFERENCE |
418.EX.5107.RX.MXM21 |
| FACTORY / VERSION |
BBF Edition |
| MOVEMENT |
Clone HUB 1240 Automatic Chronograph |
| CASE MATERIAL |
Blue Ceramic |
| WEIGHT & THICKNESS |
[unconfirmed] | [unconfirmed] |
| CRYSTAL & LUME |
Sapphire with AR | Super-LumiNova |
| DIMENSIONS |
45.0mm × [unconfirmed] × [unconfirmed]Manual measurements — minor tolerances apply. |
| WATER RESISTANCE |
Stated 30m — professional pressure test recommended before swimming |
Collector Q&A
Q: How accurate is the blue ceramic color on the BBF Sang Bleu II compared to genuine?
A: BBF has achieved a highly accurate navy blue tone that matches the genuine 418.EX.5107.RX.MXM21 closely under natural light. The alternating satin and polished finishes on the facets properly reflect light, avoiding the flat, plasticky look found on budget replicas.
Q: Does the geometric hand display function exactly like the genuine watch?
A: Yes, the BBF clone movement utilizes the same stacked geometric disc system to indicate hours, minutes, and chronograph seconds. The large central rhombus tracks the chronograph seconds, while the smaller sub-dials track running seconds and elapsed minutes.
Q: Is the flyback chronograph function fully operational on this HUB 1240 clone?
A: The chronograph functions (start, stop, and reset) are fully operational. However, the true ‘flyback’ mechanism—where the chrono can be reset while running without stopping first—is often delicate on clone movements. It is recommended to stop the chronograph before resetting to preserve movement longevity.
Q: What is the main known limitation of this specific BBF model?
A: The primary limitation lies in the tactile feel of the chronograph pushers. The pushers require firmer pressure than the genuine UNICO movement, and due to the complex stacked disc hands adding weight to the geartrain, the movement has a slightly lower power reserve of approximately 36 hours.
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