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Product Overview
Upgrade your timepiece with the premium 36mm / 40mm Silvery Sapphire Crystal watch case top. Expertly polished and engineered for durability, this crystal delivers crystal‑clear visibility, superior scratch resistance, and reliable waterproof performance. Perfectly compatible with a wide range of popular movements—including NH34, NH35, NH36, NH38, NH39, NH70, NH72, ETA2824, and PT5000—this versatile component is the ideal upgrade for both hobbyist watchmakers and professional horologists.
Key Highlights
- High‑grade waterproof sapphire crystal with 5 ATM (50 m) resistance
- Available in two popular diameters: 36 mm and 40 mm
- Silvery, mirror‑polished finish for a sleek, modern look
- Precision‑cut to fit movements: NH34, NH35, NH36, NH38, NH39, NH70, NH72, ETA2824, PT5000
- Exceptional hardness (9.5 on the Mohs scale) – virtually scratch‑proof
- Easy installation with standard case back screws
- Enhanced anti‑reflective coating reduces glare for optimal legibility
Compatibility
This sapphire crystal is engineered to match the most common case sizes for the following movements:
- NH34 & NH35 (36 mm & 40 mm)
- NH36, NH38, NH39 (36 mm & 40 mm)
- NH70, NH72 (36 mm & 40 mm)
- ETA2824 (36 mm & 40 mm)
- PT5000 (36 mm & 40 mm)
Technical Specifications
- Material: Synthetic sapphire (Al₂O₃)
- Diameter: 36 mm or 40 mm (selectable)
- Thickness: 0.5 mm (standard) – optional thicker options available on request
- Water resistance: 5 ATM (50 m)
- Hardness: 9.5 Mohs
- Finish: Polished silvery surface with anti‑reflective coating
- Weight: Approx. 7 g (36 mm) / 9 g (40 mm)
Why Choose Our Sapphire Crystal?
When you select our silvery sapphire crystal, you’re investing in a component that combines aesthetic elegance with rugged performance. The crystal’s superior hardness protects against everyday scratches, while its waterproof rating safeguards your watch against rain, splashes, and brief submersion. The anti‑reflective coating ensures a clear view of the dial at any angle, making it the perfect upgrade for both classic and contemporary watch designs.
Price: Original price was: $ 42.25.$ 21.13Current price is: $ 21.13.