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This is a generic sapphire crystal designed for the Audemars Piguet Edward Piguet reference 15121, measuring 28.9mm in length and 21.9mm in width, with a domed profile. Made of synthetic sapphire glass (Mohs hardness 9), it offers exceptional scratch resistance and excellent optical clarity, serving as a direct substitute for a damaged or scratched original crystal, maintaining the elegant tonneau‑case aesthetic of the watch.
Sapphire Crystal – Mohs 9, highly scratch-resistant and optically clear.
Domed Profile – Curved surface, perfectly matching the Edward Piguet tonneau case.
Precision Rectangular Size – 28.9×21.9mm – exact case fit.
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 Edward Piguet 15121 (tonneau case) |
| Type | Generic aftermarket |
| Material | Synthetic sapphire |
| Shape | Domed |
| Length | 28.9 mm |
| Width | 21.9 mm |
| Thickness | Not specified (confirm with product) |
1. Is this a genuine Audemars Piguet crystal?
No. It is a generic aftermarket replacement, not original, but matches the 15121 dimensions.
2. Will the original water resistance be maintained after installation?
Proper installation with a new gasket can restore everyday water resistance (typically 30m). A water resistance test is advised. (Gasket not included)
3. What should I pay attention to during installation?
Tonneau crystals have a specific orientation. Use a new gasket and UV adhesive, press evenly with a crystal press, dome outward. Professional installation is recommended.
4. Does this crystal fit other Edward Piguet models like 15120?
Different references may have different crystal sizes. Measure your original length and width (28.9×21.9mm) to confirm.
5. Is a gasket included?
Usually not. The sealing gasket must be purchased separately. Confirm with the seller.
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