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This is a generic replacement sapphire crystal for the Audemars Piguet Royal Oak Chronograph models 26315 and 26715, measuring 29.3mm in diameter × 1.5mm in thickness, with a flat round profile. Made of synthetic sapphire glass, it offers exceptional scratch resistance and excellent optical clarity, serving as a direct substitute for a damaged or scratched original crystal. As an aftermarket part, it provides a cost-effective repair solution for watchmakers and enthusiasts.
Sapphire Crystal – Mohs 9, highly scratch-resistant and optically clear.
Flat Round Profile – Classic flat crystal, matching the Royal Oak Chronograph aesthetic.
Precise Dimensions – 29.3mm diameter, 1.5mm thickness, exact fit for 38mm and 39mm cases (26315/26715).
Generic Aftermarket – Non-original but manufactured to OEM specs for direct replacement.
Cost-Effective – Affordable alternative for repair or restoration.
| Parameter | Details |
|---|---|
| Compatible Models | AP Royal Oak Chronograph 26315, 26715 |
| Type | Generic aftermarket |
| Material | Synthetic sapphire |
| Shape | Flat round |
| Diameter | 29.3 mm |
| Thickness | 1.5 mm |
| Original Water Resistance | 50m |
| Original Movement | Caliber 2385 / 2386 (automatic chronograph) |
AP Royal Oak Chronograph 26315 (38mm case, e.g., 26315ST.OO.1256ST.01)
AP Royal Oak Chronograph 26715 (39mm case, e.g., 26715ST.OO.1356ST.01)
Other AP Royal Oak chronographs using the same 29.3mm flat round crystal (verify original size)
Replacement of damaged, deeply scratched, or aged original crystals
1. Is this a genuine AP crystal?
No. It is a generic aftermarket replacement, not original, but matches the 26315/26715 dimensions.
2. Does this crystal fit other Royal Oak chronographs like 26320?
No. The 26320 uses a 32.0mm diameter crystal. Do not mix.
3. What should I pay attention to during installation?
Use a new sealing gasket, apply UV adhesive or crystal glue, and press evenly with a crystal press. Professional installation is recommended.
4. Will the original 50m water resistance be maintained?
Proper installation with a new gasket can restore similar water resistance. A water resistance test is advised.
5. Is a gasket included?
Usually not. The sealing gasket must be purchased separately. Confirm with the seller.
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