---
description: Generic Omega Speedmaster 323.21.40 sapphire crystal 30.5mm domed blue AR. Aftermarket replacement.
title: Generic Omega Speedmaster Date 323.21.40 Sapphire Crystal 30.5mm - Sofly
image: https://www.soflypart.com/wp-content/uploads/2023/09/DSC01942.jpg
---
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- **Generic Omega Speedmaster Date 323.21.40 Sapphire Crystal 30.5mm**
[](https://www.soflypart.com/wp-content/uploads/2023/09/DSC01942.jpg)
# Generic Omega Speedmaster Date 323.21.40 Sapphire Crystal 30.5mm
$45.00
You Saved
| Brand | Choose an option Omega- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $45.00 |
| 3 - 4 | 5 % | $42.75 |
| 5 - 9 | 7 % | $41.85 |
| 10 - 14 | 10 % | $40.50 |
| 15+ | 15 % | $38.25 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $45.00 |
| 3 - 4 | 5 % | $42.75 |
| 5 - 9 | 7 % | $41.85 |
| 10 - 14 | 10 % | $40.50 |
| 15+ | 15 % | $38.25 |
Generic Omega Speedmaster Date 323.21.40 Sapphire Crystal 30.5mm quantity
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## Product Description
Generic domed round sapphire crystal for Omega Speedmaster Date 323.21.40. Diameter 30.5mm, total thickness 2.9mm, step thickness 1.4mm, blue AR coating. Aftermarket replacement for damaged original crystals.
## Features & Function
- Domed round with blue AR coating – reduces glare.
- Synthetic sapphire – scratch resistant (Mohs 9).
- High optical clarity – maintains dial readability.
- Drop‑in replacement – no modification needed.
- Affordable alternative to OEM.
## Specifications
| Parameter | Value |
| --- | --- |
| Compatible model | Omega 323.21.40 |
| Diameter | 30.5 mm |
| Total thickness | 2.9 mm |
| Step thickness | 1.4 mm |
| Coating | Blue anti‑reflective |
| Material | Synthetic sapphire |
| Hardness | Mohs 9 |
| Type | Aftermarket |
## Applications
- Replace scratched, cracked, or damaged original crystals on Omega Speedmaster Date 323.21.40.
- Professional watch repair and restoration.
## Frequently Asked Questions
**Q1: Genuine Omega part?** No, aftermarket.
**Q2: Quality reliable?** Yes, from reputable suppliers.
**Q3: Self‑install?** Professional recommended.
## 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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