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Generic Omega crown tube, part number 090ST4205. Dimensions: 2.05 × 2.6 mm + 1.8 × 2.5 mm (stepped design). Precision stainless steel aftermarket replacement for worn or damaged original tubes, restoring waterproof sealing.
Stepped precision design – matches original tube geometry.
Stainless steel – durable, corrosion‑resistant.
Restores water resistance with correct gasket.
Drop‑in replacement – no case modification.
| Parameter | Value |
|---|---|
| Part number | 090ST4205 |
| Dimensions | 2.05×2.6 + 1.8×2.5 mm |
| Material | Stainless steel |
| Type | Aftermarket |
Replace worn/stripped original crown tube on compatible Omega watches.
Use during crown replacement or case restoration.
Professional watch repair.
Q1: Genuine Omega part?
No, aftermarket.
Q2: Includes gasket?
No, use original or buy separately.
Q3: Self‑install?
Professional recommended.
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.









