---
description: Sapphire crystal for Audemars Piguet Royal Oak Offshore 26400/26401/26405 — 35.9×34.9×2.1mm, Mohs 9, anti-reflective, flat round. Scratch-resistant replacement.
title: Generic Audemars Piguet Royal Oak Offshore 26400 Sapphire Crystal 35.9mm - Sofly
image: https://www.soflypart.com/wp-content/uploads/2022/03/DSC08613.jpg
---
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- **Generic Audemars Piguet Royal Oak Offshore 26400 Sapphire Crystal 35.9mm**
[](https://www.soflypart.com/wp-content/uploads/2022/03/DSC08613.jpg)
# Generic Audemars Piguet Royal Oak Offshore 26400 Sapphire Crystal 35.9mm
$65.00
You Saved
| Brand | Choose an option Audemars piguet- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $65.00 |
| 3 - 4 | 5% | $61.75 |
| 5 - 9 | 7% | $60.45 |
| 10 - 14 | 10% | $58.50 |
| 15+ | 15% | $55.25 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $65.00 |
| 3 - 4 | 5% | $61.75 |
| 5 - 9 | 7% | $60.45 |
| 10 - 14 | 10% | $58.50 |
| 15+ | 15% | $55.25 |
Generic Audemars Piguet Royal Oak Offshore 26400 Sapphire Crystal 35.9mm quantity
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## Product Description
**Flat round sapphire crystal engineered for Audemars Piguet Royal Oak Offshore refs. 26400, 26401 & 26405**, precisely cut to **35.9 × 34.9 × 2.1 mm**. Crafted from premium synthetic sapphire with anti-reflective coating, delivering **exceptional scratch resistance and crystal-clear clarity** to match the Offshore’s bold, sporty case design.
## Features & Function
- **Premium synthetic sapphire** — Mohs hardness 9, highly scratch-resistant and durable
- **Anti-reflective coating** — reduces glare for clear dial readability in all conditions
- **Flat round profile** — sleek design matching the Royal Oak Offshore case aesthetic
- **35.9 × 34.9 mm precision dimensions** — exact fit for Royal Oak Offshore refs. 26400, 26401 & 26405
- **2.1 mm robust thickness** — sturdy construction suitable for the Offshore’s active lifestyle
## Specifications
| Parameter | Value |
| --- | --- |
| **Shape** | Flat Round |
| **Dimensions** | 35.9 × 34.9 × 2.1 mm |
| **Material** | Synthetic Sapphire Crystal |
| **Hardness** | Mohs 9 |
| **Coating** | Anti-Reflective (AR) |
| **Compatibility** | Audemars Piguet Royal Oak Offshore refs. 26400 / 26401 / 26405 |
## Applications
- Direct replacement for damaged or worn original Royal Oak Offshore sapphire crystal
- Professional watch repair and restoration
- Watchmaker and collector spare parts supply
- Vintage Audemars Piguet Royal Oak Offshore preservation
## FAQ
**Q1: Is this a genuine Audemars Piguet crystal?**
A: This is an **aftermarket replacement sapphire crystal** designed for the Royal Oak Offshore refs. 26400, 26401 & 26405. It is not manufactured by Audemars Piguet.
**Q2: How do I confirm this fits my watch?**
A: Confirm your watch is **Audemars Piguet Royal Oak Offshore ref. 26400, 26401 or 26405**. The 35.9 × 34.9 mm dimensions are precision-matched to these references.
**Q3: Is professional installation recommended?**
A: Yes — **certified watchmaker installation** is recommended to ensure correct fit, alignment, and waterproofing integrity.
## 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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Crafted from premium synthetic sapphire with anti-reflective coating, delivering\u00a0exceptional scratch resistance and crystal-clear clarity\u00a0to match the Offshore\u2019s bold, sporty case design. 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A: This is an\u00a0aftermarket replacement sapphire crystal\u00a0designed for the Royal Oak Offshore refs. 26400, 26401 & 26405. It is not manufactured by Audemars Piguet. Q2: How do I confirm this fits my watch? A: Confirm your watch is\u00a0Audemars Piguet Royal Oak Offshore ref. 26400, 26401 or 26405. The 35.9 \u00d7 34.9 mm dimensions are precision-matched to these references. Q3: Is professional installation recommended? A: Yes \u2014\u00a0certified watchmaker installation\u00a0is recommended to ensure correct fit, alignment, and waterproofing integrity. 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\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114. 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