Product Description
Functional Fit for Casio Gravitymaster Watches
The replacement strap is intended for Casio GWR-B1000 Gravitymaster models, offering an exact fit for this proprietary design. It targets users needing a direct OEM replacement to maintain the original watch’s appearance and comfort. This strap suits those replacing worn bands or seeking color customization while preserving genuine specifications.
Material and Technical Specifications
Constructed from carbon fiber reinforced fluororubber resin, the strap combines lightness with resistance for everyday and active use. It measures 22mm in width with a 125mm + 75mm length, featuring a traditional pin clasp for secure fastening. The unique lug system of the Gravitymaster requires compatible adapters, differentiating it from standard rubber watch strap fittings.
Practical Application and User Benefits
This strap supports daily wear and outdoor activities due to its durable fluorine rubber composition. Its range of colors—including black, orange, and blue—allows users to personalize their watch while keeping the original Gravitymaster style. The strap caters well to collectors and users focused on authenticity and long-term use.
🔹 Genuine OEM replacement strap for Casio GWR-B1000 Gravitymaster – original factory carbon fiber resin band designed for the 50.1mm × 46.4mm monocoque case. Official Casio part number 10587427-18. Engineered for an accurate fit and reliable comfort-18. The perfect replacement for worn or damaged original straps, restoring the authentic Gravitymaster look and feel.🔹 Original Casio quality – 100% genuine OEM replacement strap. Manufactured to the exact specifications of the original GWR-B1000 band-18.🔹 Carbon fiber reinforced resin construction – durable, lightweight, and built to withstand the toughest conditions-.🔹 Precision fit for GWR-B1000 series – designed specifically for the carbon monocoque case of the Gravitymaster-.🔹 Easy installation – attaches with hexagon screws-. Installation tools not included.🔹 Please note – This is the original factory strap (carbon fiber resin), not FKM rubber. GWR-B1000 uses a proprietary lug system – standard aftermarket straps will not fit without compatible adapters, which are currently not available for this model-17.
Product Advantages
Procurement-Relevant Design
The strap confirms to Casio’s original specifications, ensuring compatibility for the GWR-B1000 model only. Its fluororubber resin material supports durability without adding excess weight, useful for sourcing in markets prioritizing product authenticity and supplier reliability. Available in multiple colors, it offers options for inventory diversification.
Operational Fit for OEM and Replacement Markets
The strap’s design requires specific adapters for installation, which impacts the aftermarket supply chain considerations. Its unique clasp and fixed dimensions support consistent quality and ease of replacement when used alongside compatible Casio parts. This makes it suitable for distributors dealing in specialized watch replacement parts.

Use Scenarios
OEM and Replacement Part Sourcing
In retail or professional watch service environments, this replacement strap is a practical choice for maintaining brand consistency in repair and refurbishment projects. Its 22mm watch strap width and original manufacturing specifications ensure smooth integration with Casio GWR-B1000 inventory, facilitating reliable supply for aftermarket or warranty repairs.
Commercial and Active Wear Applications
Workplaces requiring durable and wearable watch accessories, such as field technicians or outdoor contractors, can benefit from its fluorine rubber material that withstands daily wear conditions. Its secure pin clasp and lightweight nature provide comfort over extended periods, making it suitable for businesses sourcing functional rubber watch strap alternatives.











FAQ
Is this replacement strap made from genuine Casio materials?Yes, we supply the 100% genuine OEM replacement strap for the Casio GWR-B1000 Gravitymaster. It’s made with carbon fiber reinforced fluororubber resin, ensuring durability and the authentic look and feel of your watch. We focus on maintaining official product quality for watch enthusiasts.
Can I order a custom color or size for this rubber watch strap?Currently, this fluorine rubber watch strap is available in multiple standard colors like Orange, Black, Red, Grey, Blue, Green, and Starlight. We do not offer custom sizes or colors beyond these for this model, but our extensive inventory covers a wide range of other options if you explore further.
What tools do I need to install the Casio GWR-B1000 replacement strap?Installation requires hexagon screws, but please note that we do not include tools with the strap. We recommend using proper hex screwdrivers to securely attach the strap to your Casio GWR-B1000, ensuring a precise fit without damaging the components.
How quickly can you ship a 22mm watch strap order internationally?Located near Guangzhou Baiyun International Airport, we offer fast global shipping options. With our large stock of over 500,000 straps including the popular 22mm watch strap size, we can efficiently fulfill orders and dispatch them worldwide, supporting both retail and wholesale customers.