Introducing Girard-Perregaux 1966 (ref. 49529-52-231-BA6A), a distinctive model that balances proportion, precision, and presence. On the wrist, the case feels purposeful: crafted in pink gold and measuring 40 mm in diameter, with a thickness of 11.25 mm, defined by a round silhouette. The caseback is open, and the crystal is sapphire, delivering water resistance to 3000 meters. Visually, the face is where character emerges: a grey tone with guilloche finish, framed by stick / dot hour markers, and feuille hands. Among collectors, it is nicknamed "Anthracite". Mechanically, the watch prioritizes accuracy: the GP03800-0001 caliber. Introduced in 2013. The silhouette offers presence without excess, lending confidence in a range of situations. Finishing showcases disciplined attention to detail across facets, edges, and surfaces. For buyers researching specifications and real-world impressions, this reference stands out for coherent design, dependable mechanics, and lasting relevance within modern horology.