Hublot Big Bang Unico 42mm Blue 642.NL.7170.RX Super Clone
Price range: $730.00 through $1,490.00
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Precision Engineering & Movement
This timepiece is powered by the replicated HUB4700 automatic caliber, engineered to mirror the genuine movement's specifications. It delivers a power reserve of approximately 60 hours and maintains an average daily precision within -3/+3 seconds, performance that aligns with chronometer standards. The sweep second hand and chronograph functions operate with smooth, authentic motion. Each movement undergoes a 72-hour accuracy test post-assembly, with results documented for quality assurance.
Superior Materials & Construction
Crafted from 904L stainless steel, the 42mm case features a matching blue bezel and reaches a thickness of 16.5mm, matching the original's dimensions within a 0.2mm tolerance. The sapphire crystal is double-coated with anti-reflective treatment. The integrated black rubber strap is paired with a 904L steel double-fold clasp, adjustable for a secure fit. The total weight is approximately 112g, ensuring a substantial feel on the wrist comparable to the authentic model.
Rigorous Testing & Quality Control
Every watch completes a multi-stage inspection process. This includes pressure testing at 3 ATM (30 meters) in a controlled environment, with a printed test report included in the packaging. The dial's indices and hands, made from 904L steel, are individually checked for alignment and luminosity. A sample from each production batch is subjected to a 7-day simulated wear test to assess long-term performance and strap durability before release.
Complete Package & Verification
The product is delivered as a full set, including the watch, warranty cards with arrangeable serial numbers, and a protective travel case. All engravings, fonts, and finishing details are scrutinized against genuine reference images. We provide detailed macro photography and video comparisons of the actual unit before shipment, allowing for direct visual verification of the build quality and finish.
After-Sales Support & Warranty
Covered by a 2-year International United Luxury warranty, the service covers movement malfunctions under normal use. The process is straightforward: customers contact support, receive a case number, and if necessary, ship the watch to our designated service center for assessment. Most minor adjustments, like link removal or time setting guidance, are resolved via detailed online tutorials provided upon purchase.
| Model Reference | 642.NL.7170.RX (Big Bang Unico) |
| Case Material | 904L Stainless Steel, Blue Finish |
| Movement | Automatic HUB4700 Caliber Clone |
| Case Size & Thickness | 42.00 mm / 16.50 mm |
| Bracelet & Clasp | Black Rubber Strap, 904L Steel Double-Fold Clasp |
| Key Functions | Hours, Minutes, Seconds, Chronograph, Annual Calendar |
| Water Resistance | Tested to 3 ATM / 30 Meters (Static Pressure) |
| Power Reserve | Approximately 60 Hours |
| Included Items | Watch, Adjustable Bracelet, Warranty Cards, Protective Case |
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