Meet Girard-Perregaux 1966 (ref. 49555-52-132-BB60), an elegant watch engineered for daily versatility and long-term reliability. From profile to crystal, the architecture convinces: crafted in pink gold and measuring 40 mm in diameter, with a thickness of 8.9 mm, defined by a round silhouette. The caseback is open, and the crystal is sapphire, delivering water resistance to 3000 meters. Up close, the dial rewards inspection: a silver tone with guilloche finish, framed by stick / dot hour markers, and feuille hands. Among collectors, it is nicknamed "Silver Opaline". Inside, precision takes center stage: the GP03300-0030 caliber. Designed for real-world wear, the watch transitions smoothly from tailored looks to casual settings. Manufacturing tolerances and surface treatment highlight consistent quality control. For buyers researching specifications and real-world impressions, this reference stands out for coherent design, dependable mechanics, and lasting relevance within modern horology.