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This is a generic sapphire crystal designed for the Audemars Piguet Royal Oak Chronograph 26320 series, measuring 32.0mm in diameter and 2.8mm in thickness. Featuring a flat round profile, this aftermarket replacement crystal is made from synthetic sapphire, offering exceptional scratch resistance (Mohs hardness 9) and excellent optical clarity. The original Royal Oak Chronograph 26320 features a 41mm case, 50m water resistance, and is powered by the automatic Caliber 2385 movement with a 40-hour power reserve .
Sapphire Crystal – Mohs 9, highly scratch-resistant and optically clear.
Flat Round Profile – Classic flat crystal, matching the Royal Oak Chronograph aesthetic.
Precise Dimensions – 32.0mm diameter, 2.8mm thickness, exact fit for the 26320 case.
Generic Aftermarket – Non-original but manufactured to OEM specs for direct replacement.
Cost-Effective – Affordable alternative for repair or restoration.
| Parameter | Details |
|---|---|
| Compatible Model | Audemars Piguet Royal Oak Chronograph 26320 series (41mm case) |
| Type | Generic aftermarket |
| Material | Synthetic sapphire |
| Shape | Flat round |
| Diameter | 32.0 mm |
| Thickness | 2.8 mm |
| Original Water Resistance | 50m |
| Original Movement | Caliber 2385 automatic (40h power reserve) |
Audemars Piguet Royal Oak Chronograph 26320 (e.g., 26320ST.OO.1220ST.01, 26320OR.OO.D002CR.01)
Other AP Royal Oak models using the same 32.0mm 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 26320 dimensions.
2. Does this crystal fit other Royal Oak models like 26331 or 15500?
No. Different references have different crystal sizes (26331 ~33.0mm, 15500 ~32.5mm). This is specifically for 26320 at 32.0mm. Measure your original crystal before ordering.
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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