Introducing Breitling AVI (ref. AB3521U41B1A1), an elegant watch engineered for daily versatility and long-term reliability. From profile to crystal, the architecture convinces: crafted in stainless steel and measuring 43 mm in diameter, with a thickness of 14.35 mm, defined by a round silhouette, paired with a rotating, single mark bezel. The caseback is open, and the crystal is sapphire, delivering water resistance to 10000 meters. Up close, the dial rewards inspection: a black tone with sunburst finish, framed by arabic numerals hour markers, and syringe hands. Inside, precision takes center stage: the Caliber B35 caliber. Initial production year: 2018. 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.