Introducing Breguet Marine (ref. 5517BR/12/9ZU), a refined timepiece that blends thoughtful design with reliable performance. A study in proportion and durability: crafted in rose gold and measuring 40 mm in diameter, with a thickness of 11.5 mm, defined by a round silhouette. The caseback is open, and the crystal is sapphire, delivering water resistance to 10000 meters. The dial composition is deliberate and legible: a silver tone, executed in yellow gold, framed by roman numerals hour markers, and breguet hands. Beneath the caseback lies dependable performance: the 777A caliber. First released in 2018. Comfort and balance define the wearing experience, making it an easy daily companion. Subtle transitions between textures elevate the overall impression. For buyers researching specifications and real-world impressions, this reference stands out for coherent design, dependable mechanics, and lasting relevance within modern horology.