Experience the craft of Hamilton in the Chrono-Matic (ref. H51616731), a contemporary classic shaped by careful watchmaking know-how. The exterior is thoughtfully executed: measuring 48.5 mm in diameter, with a thickness of 16.05 mm, defined by a tonneau silhouette. At a glance, the dial balances texture and clarity: a black tone with matte finish, framed by stick / dot hour markers, and stick hands. At its heart beats a proven engine: the H-31 caliber. Produced in limited numbers, appealing to focused collectors. First released in 2019. With considered ergonomics, it feels composed during extended wear. Brushed and polished elements play with light to emphasize crisp geometry. For buyers researching specifications and real-world impressions, this reference stands out for coherent design, dependable mechanics, and lasting relevance within modern horology.