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Generic domed round sapphire crystal for Breitling Superocean 44 M1739313. Diameter 31.4mm, total thickness 3.7mm, step thickness 2.9mm. Blue anti‑reflective coating. Synthetic sapphire (Mohs 9), scratch resistant. Aftermarket replacement for damaged original crystals.
Domed round with blue AR coating – reduces glare, classic diver style.
Synthetic sapphire – excellent scratch resistance (Mohs 9).
Precise dimensions – drop‑in replacement for M1739313 case.
High optical clarity – maintains dial readability underwater.
Affordable alternative to OEM crystal.
| Parameter | Value |
|---|---|
| Compatible model | Breitling Superocean 44 M1739313 |
| Diameter | 31.4 mm |
| Total thickness | 3.7 mm |
| Step thickness | 2.9 mm |
| Shape | Domed round |
| Coating | Blue anti‑reflective |
| Material | Synthetic sapphire |
| Hardness | Mohs 9 |
| Type | Aftermarket |
Replace scratched, cracked, or damaged original crystals on Breitling Superocean 44 M1739313.
Maintain water resistance for diving watches.
Professional watch repair and restoration.
Q1: Genuine Breitling part?
No, generic aftermarket.
Q2: Does it fit other Superocean 44 models?
Designed for M1739313. Check your original crystal size before ordering.
Q3: Is the 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.
