Updated
Breguet Marine 5517TI/G2/TZ0 (titanium, slate sunburst dial, titanium bracelet) vs Seiko Presage Cocktail Time SRPE15
Two timepieces compared — $10,000–$25,000 vs $250–$500
Quick Verdict
The Seiko Presage Cocktail Time SRPE15 ($250–$500) delivers Seiko In-House Automatic technology in the tier below the Breguet Marine 5517TI/G2/TZ0 (titanium, slate sunburst dial, titanium bracelet) ($10,000–$25,000). The Presage Cocktail Time SRPE15 measures 40.5mm and is rated 50m (5 ATM). The Marine 5517TI/G2/TZ0 (titanium, slate sunburst dial, titanium bracelet) justifies its premium with Swiss Made heritage and Automatic, Breguet calibre 777A, silicon escapement and balance spring. Both represent excellent choices in the timepiece category.
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Breguet
Marine 5517TI/G2/TZ0 (titanium, slate sunburst dial, titanium bracelet)
$10,000–$25,000
Specifications Compared
| Feature | Breguet Marine 5517TI/G2/TZ0 (titanium, slate sunburst dial, titanium bracelet) | Seiko Presage Cocktail Time SRPE15 |
|---|---|---|
| Price | $10,000–$25,000 | $250–$500 |
| Case Size | 40mm | 40.5mm |
| Movement | Automatic, Breguet calibre 777A, silicon escapement and balance spring | Automatic Caliber 4R35 |
| Caliber Type | 777A, automatic | Seiko In-House Automatic |
| Power Reserve | About 55 hours | 41 Hours |
| Water Resistance | 100m (10 ATM) | 50m (5 ATM) |
| Crystal | Sapphire Crystal | Hardlex Crystal |
| Case Material | Titanium, brushed and polished, fluted caseband, crown guard, sapphire caseback | Stainless Steel |
| Origin | Swiss Made | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Breguet's design language vs Seiko's approach
The Breguet Marine 5517TI/G2/TZ0 (titanium, slate sunburst dial, titanium bracelet) features a Titanium, brushed and polished, fluted caseband, crown guard, sapphire caseback case at 40mm with Sapphire Crystal protection. The Seiko Presage Cocktail Time SRPE15 offers Stainless Steel construction at 40.5mm with Hardlex Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic, Breguet calibre 777A, silicon escapement and balance spring vs Automatic Caliber 4R35
The Marine 5517TI/G2/TZ0 (titanium, slate sunburst dial, titanium bracelet) runs the Automatic, Breguet calibre 777A, silicon escapement and balance spring (777A, automatic, About 55 hours power reserve) at standard frequency. The Presage Cocktail Time SRPE15 uses the Automatic Caliber 4R35 (Seiko In-House Automatic, 41 Hours reserve) at 21,600 vph (3 Hz). The Marine 5517TI/G2/TZ0 (titanium, slate sunburst dial, titanium bracelet) edges ahead on power reserve.
Wearability & Fit
40mm vs 40.5mm — different wrist presence
At 40mm, the Marine 5517TI/G2/TZ0 (titanium, slate sunburst dial, titanium bracelet) wears more compactly on smaller wrists compared to the Presage Cocktail Time SRPE15 at 40.5mm. Water resistance differs: 100m (10 ATM) vs 50m (5 ATM).
Value & Cost of Ownership
Seiko sits in the lower tier
The Breguet Marine 5517TI/G2/TZ0 (titanium, slate sunburst dial, titanium bracelet) sits at $10,000–$25,000 and the Seiko Presage Cocktail Time SRPE15 at $250–$500. On the specs that outlast any price: the Marine 5517TI/G2/TZ0 (titanium, slate sunburst dial, titanium bracelet) uses Sapphire Crystal with About 55 hours, against Hardlex Crystal and 41 Hours on the Presage Cocktail Time SRPE15. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 50m (5 ATM)
The Marine 5517TI/G2/TZ0 (titanium, slate sunburst dial, titanium bracelet) is rated to 100m (10 ATM) while the Presage Cocktail Time SRPE15 handles 50m (5 ATM). The Marine 5517TI/G2/TZ0 (titanium, slate sunburst dial, titanium bracelet) is better suited for water activities.
Our Verdict
Breguet
Marine 5517TI/G2/TZ0 (titanium, slate sunburst dial, titanium bracelet)
Choose the Breguet Marine 5517TI/G2/TZ0 (titanium, slate sunburst dial, titanium bracelet) if you prioritize 777A, automatic engineering, Swiss Made craftsmanship, and 100m (10 ATM) water resistance. At $10,000–$25,000, it delivers Automatic, Breguet calibre 777A, silicon escapement and balance spring with About 55 hours power reserve.
Check Price on AmazonSeiko
Presage Cocktail Time SRPE15
Choose the Seiko Presage Cocktail Time SRPE15 if you value Seiko In-House Automatic technology, Made in Japan heritage, and 40.5mm proportions. At $250–$500, the Automatic Caliber 4R35 with 41 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Breguet Marine 5517TI/G2/TZ0 (titanium, slate sunburst dial, titanium bracelet) and Seiko Presage Cocktail Time SRPE15 represent two distinct approaches to the timepiece category — the Breguet bringing Swiss Made tradition while Seiko delivers Made in 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.