



Product Overview
This is a brand-new, aftermarket replacement sapphire crystal engineered specifically for Franck Muller Automatic watches. Crafted from high-grade white sapphire material, this transparent watch crystal provides exceptional scratch resistance and long-term durability, outperforming standard mineral glass or acrylic crystals commonly found in watch repairs. Designed as a direct-fit component, it preserves the original aesthetic and structural integrity of your timepiece. Whether you’re restoring a damaged watch face, upgrading from a less durable material, or performing routine maintenance, this sapphire crystal ensures lasting clarity and reliable protection. Its precise dimensions and optical quality make it a dependable choice for watch owners, professional repair technicians, and collectors who value both function and appearance in their Franck Muller watches.
Key Features
- Premium Sapphire Construction – Made from genuine white sapphire, this crystal offers one of the hardest transparent materials available, second only to diamond on the Mohs scale. This results in outstanding resistance to scratches from everyday contact with surfaces, keys, or accidental impacts.
- Scratch Resistant Design – Engineered to endure the rigors of daily wear, the sapphire surface maintains its clarity over time, reducing the need for frequent polishing or refinishing that can degrade lesser materials.
- Transparent Finish – The crystal features a clear, optically pure finish that ensures unobstructed viewing of the dial. It eliminates distortions and reflections, enhancing readability while preserving the authentic look of the watch.
- Water Resistance Support – When properly installed, this crystal helps maintain the watch’s original water-resistant capabilities by forming a secure, tight seal with the case. This is especially important after opening the watch for battery changes or internal servicing.
- Exact Fit for Franck Muller Automatic Models – Manufactured to precise specifications, the crystal matches the unique curvature, thickness, and dimensional requirements of compatible Franck Muller Automatic watches, ensuring a seamless and professional installation.
Technical Specifications
- Material: Sapphire
- Color: Transparent (White Sapphire)
- Dimensions: 32.45 mm x 27.60 mm x 22.90 mm
- Compatibility: Franck Muller Automatic watch
- Product Type: Aftermarket replacement crystal
- Department: Mens
- ASIN: B07D6SZYVG
- Date First Available: May 21, 2018
Benefits & Use Cases
This sapphire crystal is an ideal solution for restoring a Franck Muller Automatic watch that has suffered from a scratched, cracked, or cloudy original crystal. Over time, standard watch crystals can degrade due to exposure to dust, moisture, and physical contact, leading to reduced legibility and diminished appearance. Replacing the original with this sapphire alternative not only improves durability but also enhances the overall resilience of the timepiece. Watch repair professionals frequently use this component during servicing to return luxury watches to peak condition, ensuring customer satisfaction and long-term performance. Collectors and enthusiasts will appreciate the attention to detail and material quality, which help maintain the watch’s value and authenticity. The crystal’s robust nature makes it particularly well-suited for daily-worn luxury watches that face environmental challenges such as office settings, travel, or outdoor activities. Additionally, it serves as a practical upgrade when reassembling a watch after internal repairs, helping to reestablish water resistance and protect delicate movement components from external contaminants.
Important Notes
Before purchasing, carefully verify your exact Franck Muller Automatic watch model and confirm that the crystal dimensions (32.45 mm x 27.60 mm x 22.90 mm) match your timepiece. Compatibility is strictly limited to models that accept this specific size and shape. This is an aftermarket replacement part and is not manufactured or endorsed by Franck Muller. While it is designed to meet high standards of quality and fit, it does not carry the official branding of the original equipment manufacturer. To ensure water resistance is maintained, professional installation by a qualified watch technician is strongly recommended. Improper fitting may compromise the seal and lead to moisture ingress. The package includes one (1) replacement white sapphire watch crystal only. No installation tools, adhesives, gaskets, or additional components are provided. For information regarding product warranty, please refer to the manufacturer’s policy, which is available separately upon request.