Product Overview
This is a brand new, aftermarket replacement rubber watch strap designed specifically for Hublot Fusion 44-45 H Big Bang models. Crafted from vulcanized tire rubber, the strap delivers a durable, high-grip finish ideal for both daily wear and active use. The material is engineered to resist cracking, fading, and degradation over time, even when exposed to moisture, sweat, or UV light. Its deep black color maintains the bold, sporty aesthetic of the original Hublot Big Bang design, ensuring a seamless visual match with the watch case and bezel. Included with the strap is an “H” style screwdriver, precision-machined to fit Hublot’s proprietary screw heads. This tool allows for secure and accurate installation or removal of the strap at home, eliminating the need for professional servicing and reducing the risk of scratching the watch or damaging the lugs during adjustment. Whether you’re replacing a worn original band, refreshing your watch’s look, or preparing a backup for travel or active use, this strap offers a reliable, OEM-style solution tailored to the Hublot Fusion 44-45 H Big Bang series.
Key Features
- Vulcanized Tire Rubber Construction – Made from high-grade vulcanized rubber, the strap offers enhanced durability, resistance to wear, and a comfortable, flexible fit on the wrist. The material mimics the performance of professional diver straps, providing long-term resilience and a non-slip surface that stays secure during physical activity.
- Exact Fit for Hublot Fusion 44-45 H Big Bang – Precision-engineered to match the original specifications of the Hublot Fusion 44-45 H Big Bang models, ensuring a seamless connection with the watch case and lugs without gaps or misalignment.
- 24mm and 25mm Lug Width Compatibility – Designed to fit both 24mm and 25mm lug widths, making it suitable for various Big Bang variants within the 44-45mm case size range. This flexibility allows owners of multiple models or those upgrading between versions to use the same strap.
- Includes “H” Style Screwdriver – The package includes a custom-shaped screwdriver that fits Hublot’s unique screw system, enabling safe and precise strap changes. This tool helps prevent slippage and reduces the risk of damaging the watch casing or screw heads during installation.
- Sleek Black Finish – The deep, matte black color complements the aggressive yet refined design language of the Big Bang series, making it appropriate for casual, professional, or athletic environments.
Technical Specifications
- Material: Vulcanized Tire Rubber
- Color: Black
- Compatible Models: Hublot Fusion 44-45 H Big Bang
- Lug Width: 24mm / 25mm
- Package Dimensions: 3.94 x 2.76 x 0.79 inches
- Item Weight: 1.76 ounces
- Department: Men’s
- ASIN: B0FXDRZR7S
- Date First Available: October 22, 2025
Benefits & Use Cases
This replacement strap is ideal for Hublot owners looking to restore or refresh their watch’s appearance without sacrificing performance. The vulcanized rubber construction ensures resistance to water, sweat, and daily wear, making it suitable for swimming, diving, hiking, or other outdoor activities. Its flexible yet sturdy build conforms comfortably to the wrist, providing all-day comfort whether worn during workouts or business meetings. The included “H” style screwdriver empowers users to perform strap changes independently, saving time and service costs. This is especially useful for travelers or watch enthusiasts who prefer to carry spare bands for different occasions. The dual lug width compatibility adds practical value, allowing one strap to serve multiple Big Bang models or support transitions between different watch configurations. As a cost-effective alternative to OEM parts, this strap delivers reliable functionality and aesthetic continuity with the original design.
Important Notes
This is an aftermarket replacement strap and is not manufactured by Hublot. While it is designed to fit and function like the original equipment, it is not an official Hublot product. Warranty information is available through the seller and should be reviewed prior to purchase. The product holds a Best Sellers Rank of #486,198 in Clothing, Shoes & Jewelry and ranks #998 in Men’s Watch Bands, indicating moderate consumer interest and availability. Based on 4 customer ratings, the average review score is 4.1 out of 5 stars, reflecting generally positive feedback from users. Always confirm compatibility with your specific Hublot model before purchasing to ensure proper fit and function.




