A modern tool-watch mainstay, the Rolex Explorer II ref. 226570 pairs the line's fixed-bezel dual-time character with a crisp black dial and 42mm stainless steel case. The monochrome palette keeps the design direct and legible, while the matching steel bracelet underscores its utilitarian roots. Its automatic movement drives the date and GMT display with the straightforward functionality collectors expect. At 12.5mm thick, it wears with balanced substance rather than bulk.