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Description
BBF Factory Hublot Big Bang Unico Sang Bleu II White Ceramic 45mm
A rigorous technical execution of Maxime Plescia-Büchi’s geometric architecture, featuring a fully functional clone UNICO flyback caliber housed in precisely faceted high-tech ceramic.
Powered by Clone HUB 1240 Automatic
The BBF Clone HUB 1240 is engineered to mirror the complex visual and mechanical layout of the genuine UNICO movement. It incorporates a fully functional flyback chronograph module, integrating an 8-digit horizontal clutch mechanism that is visibly engaged through the open-worked dial structure. The skeletonized 4.5-digit date ring advances crisply, maintaining the architectural depth that defines the Sang Bleu II aesthetic. The winding system is supported by a customized rotor that matches the geometric motif of the case.
Regulated to ±10–15 seconds per day. The complex gear train required to drive the heavy geometric hands introduces slight positional variance, but remains well within acceptable mechanical tolerances for daily wear.
- ✅ Power Reserve: Approximately 36 hours
- ✅ Complications: Flyback chronograph, 60-minute timing dial at 3 o’clock, skeletonized date display
- ✅ Winding Direction: Unidirectional
Technical Specifications
The 45mm case is constructed from sintered white ceramic, featuring sharp, aggressive facets that alternate between satin-brushed and highly polished finishes, secured by distinct H-shaped titanium screws.
Multi-layered architecture featuring rhodium-plated octagonal hands with deep contrasting luminous tips. The printing on the sapphire inner ring is exceptionally crisp, floating above the exposed mechanics.
Fixed white ceramic bezel showcasing intricate geometric bevelling. The alignment of the hex-screws and the sharpness of the downward slopes closely mimic the genuine Plescia-Büchi design parameters.
Soft, pliable white rubber strap featuring the continuation of the case’s geometric lines. Equipped with a titanium deployant buckle and compatible with the case’s quick-release push-button system.
Why BBF for This Reference?
Many collectors ask: “Why not King Factory or ZF?”
BBF specifically engineered a custom movement plate to support the heavy geometric hands and the exposed date disc, whereas alternative factories often rely on standard 7750 bases that sit too deep within the case. Furthermore, the BBF execution of the high-tech white ceramic yields demonstrably sharper transitions between the brushed and polished facets on the complex bezel, a critical detail for the Sang Bleu II.
Full Disclosure: The substantial mass of the geometric hands means the chronograph reset requires a notably firm push, and the unidirectional rotor bearing emits a distinct audible whir during rapid wrist movement.
Data Sheet
| MODEL REFERENCE | 418.HX.2001.RX.MXM21 |
| FACTORY / VERSION | BBF Edition |
| MOVEMENT | Clone HUB 1240 Automatic Flyback |
| CASE MATERIAL | High-Tech White Ceramic |
| WEIGHT & THICKNESS | [unconfirmed] | [unconfirmed] |
| CRYSTAL & LUME | Sapphire with AR | Standard 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: Does the chronograph function exactly like the genuine HUB 1240?
A: Yes, the BBF clone movement features a fully functional flyback chronograph. The geometric sub-dial at 3 o’clock accurately tracks elapsed minutes, and the skeletonized date wheel advances correctly in sync with the time.
Q: How scratch-resistant is the white ceramic case on this replica?
A: The high-tech ceramic used by BBF matches the hardness levels of standard horological ceramics, making it highly resistant to daily scratches and UV discoloration. However, like all ceramic cases, it remains inherently brittle and can chip or shatter upon hard impact with solid surfaces.
Q: Are the strap changing mechanisms functional on the BBF version?
A: Yes, the BBF edition replicates Hublot’s ‘One Click’ quick-release system. The trapezoidal buttons located on the lugs successfully release the integrated rubber strap, allowing compatibility with other aftermarket Sang Bleu II fitted straps.
Q: What is the main known limitation of this BBF Sang Bleu II?
A: Due to the significant mass of the large geometric hands designed by Maxime Plescia-Büchi, the clone movement’s chronograph reset requires a very firm pusher engagement. Additionally, the unidirectional winding rotor bearing is audibly louder than the genuine piece during rapid wrist movements.
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