| Grade | Genuine Watches | 5A Clone | 3A Replica | A Replica |
| The Movement | Original | Swiss | Japanese | Taiwan |
| Time Accuracy | -3/+5 sec (COSC Certified) | -5/+6 sec (COSC Certified) | ±10 sec (COSC Certified) | ±1–2 min (COSC Certified) |
| Stainless Steel Type | Brand-Exclusive (316L Steel/Titanium/Ceramic) | Advertised as “Identical” (Typically 316L + Plating) | 316L Steel or Mixed Alloys | Basic Stainless Steel/Alloys |
| Logo & Markings | Laser-Etched Branding | Sapphire with Correct Magnification | Sapphire Crystal | Mineral Glass |
| Dial | 100% Genuine Design | 1:1 Replication (Fonts/Details) | 90% Match to Original | 70% Similarity |
| Waterproof | Varies by Model (30m–300m) | Lab-Tested 300m | 30m Rated | Life waterproof |
| Life expectancy | Lifetime | Lifetime | 3-5 years | 1-2 years |
| Warranty | 2 Years | Up to 5 Years | Up to 3 Years | Up to 1 Years |
Features:
– Inspiration from Racing: Designed with the spirit of racing, this limited edition watch embodies speed and precision.
– Iconic Elements: Incorporates all the signature elements of the Spirit of Big Bang series.
– Unique Case Design: Features a new barrel-shaped case made from titanium and resin, showcasing a “sandwich” structure with six H-shaped screws.
– Custom Movement: Houses the exclusive HUB4700 caliber, meticulously crafted for this model.
– Quick-Change Strap System: Equipped with a one-button quick-change strap system for easy and fast strap replacement.
– High-Quality Materials: Utilizes a blue fluororubber strap and an original folding clasp for durability and comfort.
– Fusion of Technology: Reflects the concept of “Fusion of Technology” through its innovative construction.
Description:
The Hublot Spirit of Big Bang 642.NX.0170.RX Blue Rubber watch is a limited edition masterpiece inspired by racing. It features a unique barrel-shaped case made from titanium and resin, with a distinctive “sandwich” structure secured by six H-shaped screws. The watch is powered by the exclusive HUB4700 caliber, offering precision and reliability. Its blue fluororubber strap can be quickly changed with a one-button system, enhancing versatility and ease of use. This timepiece perfectly blends innovation with iconic design elements, making it a standout addition to any collection.
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