Discover Seiko's precision with the Prospex Sky (ref. SRPB61K1), an elegant watch engineered for daily versatility and long-term reliability. From profile to crystal, the architecture convinces: crafted in stainless steel and measuring 44.7 mm in diameter, defined by a round silhouette, paired with a rotating, 0-60 (dive) bezel. The caseback is open, and the crystal is hardlex, delivering water resistance to 10000 meters. Up close, the dial rewards inspection: a black tone, framed by arabic numerals hour markers, and syringe hands. Inside, precision takes center stage: the 4R35 caliber. First released in 2017. 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.