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Generic sapphire crystal for Roger Dubuis tonneau cases. Dimensions: 26.5mm × 20.9mm. Domed shape with blue anti‑reflective coating. Synthetic sapphire (Mohs 9), scratch resistant. Aftermarket replacement for damaged original crystals.
Domed with blue AR coating – reduces glare
High‑grade synthetic sapphire – excellent scratch resistance
Dimensions 26.5 × 20.9 mm – fits specific RD tonneau cases
High optical clarity
Affordable alternative to OEM
| Parameter | Value |
|---|---|
| Dimensions | 26.5 × 20.9 mm |
| Shape | Domed |
| Coating | Blue anti‑reflective |
| Material | Synthetic sapphire |
| Hardness | Mohs 9 |
| Type | Aftermarket |
Replace scratched, cracked, or damaged original crystals on compatible Roger Dubuis tonneau watches.
Professional watch repair and restoration.
Q1: Genuine Roger Dubuis part?
No, generic aftermarket.
Q2: Which models fit?
Fits RD tonneau cases with 26.5×20.9mm crystal opening. Measure before ordering.
Q3: Is the AR coating blue?
Yes, blue reflective.
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.
