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This is a generic sapphire crystal designed for the Patek Philippe World Time reference 5110, measuring 30.5mm in diameter, 2.2mm overall thickness, and 1.2mm step thickness, featuring a domed round shape and including a sealing gasket. The domed sapphire crystal is essential for the watch‘s elegant profile and underwater readability. This high-quality replacement is ideal for replacing a damaged or deeply scratched original crystal.
Sapphire Glass – Extremely hard (Mohs 9), scratch‑resistant, and optically clear.
Domed Round Shape – Matches the classic curved profile of Ref. 5110 for aesthetic elegance.
Includes Sealing Gasket – Comes with a matching gasket to ensure water resistance during installation.
Precise Dimensions – 30.5mm diameter / 2.2mm total thickness / 1.2mm step thickness for direct replacement.
Generic Aftermarket – Non‑original but dimensionally accurate; cost‑effective repair solution.
| Parameter | Details |
|---|---|
| Compatible Model | Patek Philippe World Time Ref. 5110 (Caliber 240 HU) |
| Type | Generic (aftermarket, not genuine) |
| Material | Sapphire crystal |
| Shape | Domed round |
| Diameter | 30.5 mm |
| Total Thickness | 2.2 mm |
| Step Thickness | 1.2 mm |
| Included | Sealing gasket |
1. Is this a genuine Patek Philippe crystal?
No. This is a generic aftermarket replacement, not manufactured by Patek Philippe, but it matches the dimensions and shape of the Ref. 5110 crystal and includes the gasket for direct installation.
2. How is the quality of the sapphire crystal?
This is a high‑quality sapphire crystal with hardness and scratch resistance close to the original. Optical clarity and dome curvature are accurate. However, as a non‑original part, subtle differences may exist.
3. What is the included gasket for? Do I need additional glue?
The gasket provides sealing and cushioning between the crystal and the case. A small amount of dedicated crystal adhesive (e.g., UV glue) is still recommended to ensure water resistance. Consult a watchmaker for proper installation.
4. Will the original water resistance be maintained after installation?
The water resistance of Ref. 5110 relies on the gasket and case design. If the crystal is correctly installed with a fresh gasket and properly pressed in, it can achieve similar water resistance (typically 30m splash protection). A pressure test is recommended after installation.
5. How can I be sure this crystal fits my watch?
Remove your original crystal and measure the diameter (should be 30.5mm), total thickness (2.2mm), and step thickness (1.2mm) with a caliper. Also confirm your watch is indeed Ref. 5110 (37mm case, city‑ring pusher at 10 o’clock).
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