Product Overview
The Ewatchparts Sapphire Crystal is a precision-engineered replacement glass designed specifically for Rolex GMT-Master II models 116710BLNR and 116710 Ceramic. Crafted from genuine white sapphire, this crystal delivers exceptional clarity and scratch resistance, ensuring your timepiece maintains its premium appearance over time. Ideal for watch enthusiasts, repair professionals, or owners seeking to restore or upgrade their GMT-Master II, this component offers a factory-level fit and performance. It includes a nylon gasket to support a secure, water-resistant seal, making it a reliable choice for maintaining the watch’s integrity. Whether you’re performing a repair or enhancing durability, this sapphire crystal provides a long-lasting solution tailored to exact model specifications.
Key Features
- Made From Real White Sapphire – Constructed from authentic white sapphire material, this crystal offers superior hardness and optical clarity, significantly outperforming standard mineral or acrylic glass in scratch and impact resistance. Sapphire ranks just below diamond on the Mohs scale, making it one of the most durable materials used in watchmaking.
- 2.5x Cyclops Magnification – Features an integrated Cyclops lens with 2.5x magnification, enhancing readability of the date display without distorting the surrounding dial elements. This ensures the date remains easy to read at a glance, maintaining the functional elegance of the original design.
- No Lens Distortion – Precision-molded to eliminate visual distortion, ensuring a clear, true-to-form view of the watch face from all angles. This optical clarity allows for accurate time reading and preserves the aesthetic balance of the dial.
- Includes Nylon Gasket – Comes with a high-quality nylon gasket that ensures a tight, reliable seal during installation, contributing to the watch’s overall water resistance. The gasket is designed to compress evenly under the bezel, creating a dependable barrier against moisture and dust.
- Provides Water-Resistant Seal – When properly installed with the included gasket, the crystal helps maintain the watch’s water-resistant properties, protecting internal components from moisture and dust. This is essential for preserving the movement and ensuring long-term reliability.
- Designed For Long-Lasting Durability – Engineered for extended use, the sapphire construction resists daily wear, UV exposure, and environmental factors, preserving clarity and structural integrity over time. It stands up to the rigors of daily wear, making it ideal for active lifestyles.
Technical Specifications
- Compatible Models: Rolex GMT-Master II 116710BLNR, Rolex GMT-Master II 116710 Ceramic
- Material: Real white sapphire
- Cyclops Magnification: 2.5x
- Distortion: None
- Gasket Material: Nylon
- Item Weight: 2.08 ounces
- Department: Men’s
- ASIN: B07D6T6487
- Date First Available: May 21, 2018
Benefits & Use Cases
This sapphire crystal is ideal for owners of the Rolex GMT-Master II 116710BLNR or 116710 Ceramic models who need to replace a scratched, cracked, or worn original crystal. Its exact compatibility ensures a seamless fit without modification, making it a trusted choice for both DIY repairs and professional watchmakers. The inclusion of the nylon gasket simplifies installation and supports the watch’s water-resistant design, which is essential for maintaining the timepiece’s functionality and value. Whether restoring a vintage piece or upgrading for enhanced durability, this component helps preserve the watch’s performance and aesthetic appeal. It’s particularly valuable for frequent travelers or outdoor enthusiasts who rely on their GMT-Master II in demanding conditions.
Important Notes
Compatibility is model and size specific—please verify your watch model and crystal dimensions before purchasing to ensure proper fit. The package includes one sapphire crystal and one nylon gasket. Professional installation is recommended to maintain water resistance and avoid damage to the watch case or movement. This product is not affiliated with Rolex S.A. and is intended as a third-party replacement part. For warranty details, refer to the manufacturer’s guidelines. Always handle the crystal with care during installation to prevent fingerprints or micro-scratches.



