Updated
Breguet Marine 5517 (18k rose gold, wave dial) vs Casio MRW-230H
Two timepieces compared — $25,000+ vs Under $50
Quick Verdict
The Casio MRW-230H (Under $50) delivers Casio Quartz (Battery) technology in the tier below the Breguet Marine 5517 (18k rose gold, wave dial) ($25,000+). The MRW-230H measures 44.6mm (47.9 x 44.6 x 12.3mm) and is rated 100m (10 ATM). The Marine 5517 (18k rose gold, wave dial) justifies its premium with Swiss Made heritage and Automatic, Breguet Calibre 777A. Both represent excellent choices in the timepiece category.
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Specifications Compared
| Feature | Breguet Marine 5517 (18k rose gold, wave dial) | Casio MRW-230H |
|---|---|---|
| Price | $25,000+ | Under $50 |
| Case Size | 40mm | 44.6mm (47.9 x 44.6 x 12.3mm) |
| Movement | Automatic, Breguet Calibre 777A | Quartz |
| Caliber Type | Breguet 777A, silicon escapement and balance spring | Casio Quartz (Battery) |
| Power Reserve | About 55 hours | Approx. 3-year battery (SR626SW) |
| Water Resistance | 100m (10 ATM) | 100m (10 ATM) |
| Crystal | Sapphire Crystal, sapphire caseback | Resin Glass |
| Case Material | 18k rose gold, fluted caseband | Resin case, aluminum bezel ring |
| Origin | Swiss Made | Casio (Japan) |
Category-by-Category Analysis
Design & Aesthetics
Breguet's design language vs Casio'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 Casio MRW-230H offers Resin case, aluminum bezel ring construction at 44.6mm (47.9 x 44.6 x 12.3mm) with Resin Glass. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic, Breguet Calibre 777A vs Quartz
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 MRW-230H uses the Quartz (Casio Quartz (Battery), Approx. 3-year battery (SR626SW) reserve) at standard. The MRW-230H offers a longer power reserve.
Wearability & Fit
40mm vs 44.6mm (47.9 x 44.6 x 12.3mm) — different wrist presence
At 40mm, the Marine 5517 (18k rose gold, wave dial) wears more compactly on smaller wrists compared to the MRW-230H at 44.6mm (47.9 x 44.6 x 12.3mm). Water resistance differs: 100m (10 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Breguet Marine 5517 (18k rose gold, wave dial) sits at $25,000+ and the Casio MRW-230H at Under $50. 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 Resin Glass and Approx. 3-year battery (SR626SW) on the MRW-230H. 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 MRW-230H 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 AmazonCasio
MRW-230H
Choose the Casio MRW-230H if you value Casio Quartz (Battery) technology, Casio (Japan) heritage, and 44.6mm (47.9 x 44.6 x 12.3mm) proportions. At Under $50, the Quartz with Approx. 3-year battery (SR626SW) power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Breguet Marine 5517 (18k rose gold, wave dial) and Casio MRW-230H represent two distinct approaches to the timepiece category — the Breguet bringing Swiss Made tradition while Casio delivers Casio (Japan) 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.