---
description: Generic flat square sapphire for Patek Philippe Nautilus 5990. 28.42×28.42×1.2mm. Scratch-resistant. Compatible, not OEM.
title: Generic Patek Philippe Nautilus 5990 Sapphire Crystal 28.42mm - Sofly
image: https://www.soflypart.com/wp-content/uploads/2022/03/DSC08869.jpg
---
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- **Generic Patek Philippe Nautilus 5990 Sapphire Crystal 28.42mm**
[](https://www.soflypart.com/wp-content/uploads/2022/03/DSC08869.jpg)
# Generic Patek Philippe Nautilus 5990 Sapphire Crystal 28.42mm
$55.00
You Saved
| Brand | Choose an option Patek Philippe- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $55.00 |
| 3 - 4 | 5% | $52.25 |
| 5 - 9 | 7% | $51.15 |
| 10 - 14 | 10% | $49.50 |
| 15+ | 15% | $46.75 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $55.00 |
| 3 - 4 | 5% | $52.25 |
| 5 - 9 | 7% | $51.15 |
| 10 - 14 | 10% | $49.50 |
| 15+ | 15% | $46.75 |
Generic Patek Philippe Nautilus 5990 Sapphire Crystal 28.42mm quantity
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## Product Description
This generic flat sapphire crystal is designed for the Patek Philippe Nautilus 5990, measuring 28.42mm × 28.42mm with a thickness of 1.2mm. Its flat square design offers excellent optical clarity and scratch resistance for reliable watch glass replacement.
## Features & Function
- Flat square shape minimizes optical distortion for clear dial viewing
- 1.2mm thickness provides balanced strength and slim profile
- High hardness (9 Mohs) resists daily scratches and wear
- Generic design – always verify dimensions with original glass
## Specifications
- Length: 28.42 mm
- Width: 28.42 mm
- Thickness: 1.2 mm
- Shape: Flat Square
- Material: Synthetic sapphire
- Compatible Model: Patek Philippe Nautilus 5990
## Applications
- Replacement crystal for Patek Philippe Nautilus 5990
- Suitable for luxury sports watch restoration
## FAQs
*1.Is this an original Patek Philippe part?*
No, it is a generic compatible crystal, not OEM.
*2.Will it fit my Nautilus 5990 perfectly?*
Only if your watch uses exactly 28.42×28.42×1.2mm square glass; measure before purchase.
*3.Is this crystal suitable for both front and case back?*
This listing is for front crystal; case back crystal may have different dimensions.
## Why Choose SOFLY Watch Parts?
- Fast worldwide shipping within 3 business days.
- Competitive pricing on Seiko/Hattori calibers.
- 3,000+ watch movements and parts in stock.
- Trusted by watchmakers worldwide.
- Personalized sourcing support via **info@soflypart.com** or WhatsApp **+86 18620212114**.
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