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Generic flat round sapphire crystal for Tudor Hydronaut 20040. Diameter 30.6mm, thickness 2.5mm. Synthetic sapphire (Mohs 9), scratch resistant. Also fits Tudor 20200, 20030, 20050. Aftermarket replacement for damaged original crystals.
Flat round shape – classic diver style
Synthetic sapphire – excellent scratch resistance (Mohs 9)
Precise dimensions: 30.6 × 2.5 mm
High optical clarity – maintains dial visibility
Affordable alternative to OEM crystal
| Parameter | Value |
|---|---|
| Compatible models | Tudor Hydronaut 20040, 20200, 20030, 20050 |
| Diameter | 30.6 mm |
| Thickness | 2.5 mm |
| Shape | Flat round |
| Material | Synthetic sapphire |
| Hardness | Mohs 9 |
| Type | Aftermarket |
Replace scratched, cracked, or damaged original crystals on Tudor Hydronaut models.
Suitable for 20040, 20200, 20030, 20050 references.
Professional watch repair and restoration.
Q1: Genuine Tudor part?
No, generic aftermarket.
Q2: Does it fit all listed models?
Yes, 20040, 20200, 20030, 20050 share same crystal dimensions.
Q3: Self‑install?
Professional recommended for water resistance.
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 [email protected] or WhatsApp +86 18620212114.
