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This is a generic sapphire crystal designed for the Rolex Oyster Perpetual 31 reference 177200, measuring 25.3mm × 24.6mm × 1.5mm with a flat round profile, and includes a matching waterproof gasket. It is also compatible with references 277200, 177210, and 177234 (31mm Oyster cases). Made of synthetic sapphire glass (Mohs hardness 9), it offers exceptional scratch resistance and optical clarity, serving as a direct substitute for a damaged or scratched original crystal, restoring the watch‘s factory appearance and water resistance.
Sapphire Crystal – Mohs 9, highly scratch-resistant and optically clear.
Flat Round Profile – Classic flat crystal, perfect fit for the 31mm Oyster case.
Precise Dimensions – 25.3×24.6×1.5mm, exact fit for references 177200, 277200, etc.
Includes Waterproof Gasket – Matching gasket included for secure sealing after installation.
Generic Aftermarket – Non-original but manufactured to OEM specs for direct replacement.
| Parameter | Details |
|---|---|
| Compatible Models | Rolex Oyster Perpetual 31 177200, 277200, 177210, 177234 |
| Type | Generic aftermarket |
| Material | Synthetic sapphire |
| Shape | Flat round |
| Length × Width | 25.3 mm × 24.6 mm |
| Thickness | 1.5 mm |
| Included | Waterproof gasket |
1. Is this a genuine Rolex crystal?
No. It is a generic aftermarket replacement, not original, but matches the listed models‘ dimensions and includes a gasket.
2. Will the original water resistance be maintained after installation?
Proper installation with the included new gasket can restore everyday water resistance (typically 100m). A water resistance test is advised.
3. What should I pay attention to during installation?
Clean the case groove, place the new gasket, then the crystal. Press evenly with a crystal press. Professional installation is recommended.
4. Does this crystal fit other 31mm Rolex models (e.g., different dials of 177200)?
Yes, as long as the case is the same 31mm Oyster Perpetual. Different series (e.g., Datejust 31) may have different crystal dimensions – verify.
5. Is the crystal prone to scratches?
Sapphire is highly scratch-resistant for daily wear, but avoid abrasive materials like sand.
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