Updated
Breguet Marine 5517 (18k rose gold, wave dial) vs Omega Constellation Co-Axial 38mm (18k red gold)
Two timepieces compared — $25,000+ vs $25,000+
Quick Verdict
The Breguet Marine 5517 (18k rose gold, wave dial) ($25,000+) and Omega Constellation Co-Axial 38mm (18k red gold) ($25,000+) are closely matched timepieces at similar price points. The Marine 5517 (18k rose gold, wave dial) emphasizes Breguet 777A, silicon escapement and balance spring engineering while the Constellation Co-Axial 38mm (18k red gold) focuses on Swiss Made craftsmanship.
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Specifications Compared
| Feature | Breguet Marine 5517 (18k rose gold, wave dial) | Omega Constellation Co-Axial 38mm (18k red gold) |
|---|---|---|
| Price | $25,000+ | $25,000+ |
| Case Size | 40mm | 38mm |
| Movement | Automatic, Breguet Calibre 777A | Automatic, Omega Co-Axial Calibre 8501 |
| Caliber Type | Breguet 777A, silicon escapement and balance spring | Omega 8501, Co-Axial escapement, silicon balance spring, chronometer-certified |
| Power Reserve | About 55 hours | 60 hours |
| Water Resistance | 100m (10 ATM) | 100m (10 ATM) |
| Crystal | Sapphire Crystal, sapphire caseback | Sapphire Crystal, sapphire exhibition caseback |
| Case Material | 18k rose gold, fluted caseband | 18k red gold |
| Origin | Swiss Made | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Breguet's design language vs Omega's approach
The Breguet Marine 5517 (18k rose gold, wave dial) features a 18k rose gold, fluted caseband case at 40mm with Sapphire Crystal, sapphire caseback protection. The Omega Constellation Co-Axial 38mm (18k red gold) offers 18k red gold construction at 38mm with Sapphire Crystal, sapphire exhibition caseback. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic, Breguet Calibre 777A vs Automatic, Omega Co-Axial Calibre 8501
The Marine 5517 (18k rose gold, wave dial) runs the Automatic, Breguet Calibre 777A (Breguet 777A, silicon escapement and balance spring, About 55 hours power reserve) at standard frequency. The Constellation Co-Axial 38mm (18k red gold) uses the Automatic, Omega Co-Axial Calibre 8501 (Omega 8501, Co-Axial escapement, silicon balance spring, chronometer-certified, 60 hours reserve) at standard. The Constellation Co-Axial 38mm (18k red gold) offers a longer power reserve.
Wearability & Fit
40mm vs 38mm — different wrist presence
At 40mm, the Marine 5517 (18k rose gold, wave dial) has a bolder wrist presence compared to the Constellation Co-Axial 38mm (18k red gold) at 38mm. Water resistance differs: 100m (10 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Same tier — different value propositions
The Breguet Marine 5517 (18k rose gold, wave dial) sits at $25,000+ and the Omega Constellation Co-Axial 38mm (18k red gold) at $25,000+. On the specs that outlast any price: the Marine 5517 (18k rose gold, wave dial) uses Sapphire Crystal, sapphire caseback with About 55 hours, against Sapphire Crystal, sapphire exhibition caseback and 60 hours on the Constellation Co-Axial 38mm (18k red gold). Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 100m (10 ATM)
The Marine 5517 (18k rose gold, wave dial) is rated to 100m (10 ATM) while the Constellation Co-Axial 38mm (18k red gold) handles 100m (10 ATM). Both offer identical water resistance ratings.
Our Verdict
Breguet
Marine 5517 (18k rose gold, wave dial)
Choose the Breguet Marine 5517 (18k rose gold, wave dial) if you prioritize Breguet 777A, silicon escapement and balance spring engineering, Swiss Made craftsmanship, and 100m (10 ATM) water resistance. At $25,000+, it delivers Automatic, Breguet Calibre 777A with About 55 hours power reserve.
Check Price on AmazonOmega
Constellation Co-Axial 38mm (18k red gold)
Choose the Omega Constellation Co-Axial 38mm (18k red gold) if you value Omega 8501, Co-Axial escapement, silicon balance spring, chronometer-certified technology, Swiss Made heritage, and 38mm proportions. At $25,000+, the Automatic, Omega Co-Axial Calibre 8501 with 60 hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Breguet Marine 5517 (18k rose gold, wave dial) and Omega Constellation Co-Axial 38mm (18k red gold) represent two distinct approaches to the timepiece category — the Breguet bringing Swiss Made tradition while Omega delivers Swiss Made engineering.
Frequently Asked Questions
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How This Page Was Made
Our comparisons are generated from a hand-maintained specification database and reviewed under our editorial standards. We use AI tools to assemble pages from that data. We don’t invent specs: every number traces back to the database, and when we correct an entry, the fix is applied site-wide. As an Amazon Associate, The Horologist earns from qualifying purchases.