Breguet just gave the Marine 5517 a titanium case for the first time, and paired it with a movement that quietly matters more than the metal: the calibre 777A, now running a silicon hairspring and silicon escape wheel. The watch launched on September 26, 2026, starting at $26,400 on rubber and $30,000 on a titanium bracelet.
AI disclosure: the photography in this post was generated from real reference images of the Marine 5517 to illustrate the watch's design and specs. It is not a photograph of a physical piece sold by 5D Watches.
TL;DR
- New case metal: titanium, 40mm x 11.5mm, alongside existing rose and white gold versions
- Movement: calibre 777A with a silicon hairspring and silicon escape wheel, 55-hour power reserve
- Price: $26,400 (rubber strap) to $30,000 (titanium bracelet)
- Dial: Quai de l'Horloge guilloché with applied Breguet numerals and blued apple hands
- Water resistance: 100m, genuinely wearable as a sports watch, not just a dress piece
Why Titanium Matters More Than It Sounds
Breguet is not a brand that chases trend metals. The Marine line has run in steel, rose gold, and white gold for years. Titanium is a real departure: it cuts weight substantially versus the gold versions, and it signals Breguet is positioning the 5517 as a genuine daily-wear sports watch rather than a dress piece that happens to have 100m water resistance on paper.
The Quai de l'Horloge guilloché pattern, a Breguet signature since long before anyone called it a flex.
Case and Dial Specs
| Spec | Detail |
|---|---|
| Case diameter | 40mm |
| Case thickness | 11.5mm |
| Case material | Titanium (also available in 18k rose or white gold) |
| Water resistance | 100m |
| Dial | Quai de l'Horloge guilloché, applied chapter ring, Breguet numerals |
| Hands | Blued "apple" hands with Super-LumiNova |
| Functions | Hours, minutes, seconds, date |
The Calibre 777A: Where the Real News Is
Silicon Where It Counts
Breguet has used silicon components since the mid-2000s, among the earliest Swiss manufactures to do so. The 777A carries that forward with a silicon hairspring and a silicon escape wheel, both non-magnetic and more resistant to positional error than traditional steel equivalents. That matters more for daily accuracy than any dial change.
The calibre 777A, where the actual engineering news on this release lives.
Power Reserve and Finishing
The movement delivers 55 hours of power reserve, respectable for an automatic in this segment, and carries the fine guilloché and finishing Breguet applies across the Marine collection rather than a stripped-down sports-watch movement.
A silicon escape wheel is not a spec most owners will ever think about day to day. It is the reason the watch stays accurate when a steel-haired equivalent would start drifting.
Pricing Across the Range
| Version | Price (excl. tax) |
|---|---|
| Titanium, rubber strap | $26,400 |
| Titanium, bracelet | $30,000 |
| 18k rose gold, rubber strap | $48,900 |
| 18k rose gold, bracelet | $80,300 |
The titanium-to-gold price gap is wide, roughly $22,500 between the two bracelet versions, which makes the titanium reference the obvious entry point for anyone who wants the 777A movement without the gold premium.
The fluted titanium case flank, a direct nod to Breguet's 18th-century coin-edge case finishing.
How the Marine 5517 Compares
Breguet built its name on dress watches first, and the Marine line is the brand's answer to the holy-trinity sports category occupied by watches like the Vacheron Constantin Overseas. It plays the same game: a maison with serious haute-horlogerie credentials building something you can actually wear every day. Where Breguet differs is the guilloché dial work, a signature the brand has carried since the 18th century and doesn't dilute even on its sportiest reference.
At 40mm and in titanium, the 5517 wears lighter than its gold siblings by a meaningful margin.
FAQ
How much does the Breguet Marine 5517 Titanium cost?
It starts at $26,400 on a rubber strap and $30,000 on a titanium bracelet, before tax.
What movement does the Marine 5517 use?
The calibre 777A, an automatic movement with a silicon hairspring and silicon escape wheel, delivering 55 hours of power reserve.
Is the Marine 5517 water resistant enough to swim in?
Yes. It carries 100m water resistance, genuinely usable for swimming and light water activity, not just splash resistance.
What other case materials does the Marine 5517 come in?
Beyond the new titanium version, it is also available in 18k rose gold and 18k white gold.
When was the titanium Marine 5517 released?
It launched on September 26, 2026.