Introducing MB&F Horological Machines (ref. 55.RL.B), a contemporary classic shaped by careful watchmaking know-how. The exterior is thoughtfully executed: measuring 51.5 mm in diameter, with a thickness of 22.5 mm, defined by a round silhouette, protected by dlc coating. The caseback is open, and the crystal is sapphire, delivering water resistance to 3000 meters. At a glance, the dial balances texture and clarity: a black tone, framed by arabic numerals hour markers, and proprietary hands. At its heart beats a proven engine: the HM5 caliber. Issued as a limited edition, appealing to focused collectors. First released in 2013. 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.