Meet MB&F Horological Machines (ref. 40.TSYL), an elegant watch engineered for daily versatility and long-term reliability. From profile to crystal, the architecture convinces: measuring 54 mm in diameter, with a thickness of 24 mm, defined by a round silhouette. The caseback is open, and the crystal is sapphire. Up close, the dial rewards inspection: a black tone, framed by arabic numerals hour markers, and proprietary hands. Inside, precision takes center stage: the HM4 caliber. Issued as a limited edition, appealing to focused collectors. Initial production year: 20142014. 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.