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Breguet

Marine 5517 Titanium

5517TI/Y1/5ZU

Breguet's nautical heritage distilled into a 40 mm titanium sport watch.

Estimated market value
$17,150
Confidence: Moderate
Original retail: $26,000

An estimate from current market data — not an offer. Your actual value depends on condition, completeness, and authentication.

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Overview

The Breguet Marine 5517 in titanium (ref. 5517TI/Y1/5ZU) brings the storied Marine collection into the realm of lightweight sport watchmaking. Its 40 mm titanium case pairs with a sunburst slate-grey dial, luminous hands, and luminous markers to deliver legibility in demanding conditions. Calibre 777A provides the movement architecture beneath.

History

The Marine line traces its conceptual roots to Breguet's historical commissions for the French Navy, lending the collection an authentic nautical pedigree. The 5517 reference in titanium was introduced around 2018, representing a considered evolution of the Marine family toward contemporary sport-watch sensibilities. Titanium construction keeps the case notably light on the wrist while preserving the refined finishing associated with the maison. The reference has remained in production, reflecting sustained collector interest in Breguet's more active-lifestyle offerings.

Notable points

  • Grade-titanium case measures 40 mm — a versatile diameter that sits between dress and dedicated sport sizing.
  • Sunburst slate-grey dial creates a depth of texture that shifts subtly under changing light.
  • Luminous hands and hour markers address real-world legibility, a nod to the Marine line's seafaring origins.
  • Calibre 777A is an in-house movement developed specifically for the Marine collection.
  • Titanium construction reduces wrist weight considerably compared to equivalent steel or gold-cased references.

Specifications

Brand
Breguet
Collection
Marine
Reference
5517TI/Y1/5ZU
Years of production
2018 – present
Case
40mm titanium
Case material
Titanium
Case diameter
40 mm
Movement
Cal. 777A
Crystal
Sapphire
Dial
Sunburst slate grey, luminous hands and markers
Bezel
Fluted caseband, brushed titanium
Bracelet / strap
Rubber strap
Water resistance
100 m
Power reserve
55 h
Complications
Date
Type
Sport
Worn as
Men's
Also known as
マリーン

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