A modern Sea-Dweller with a collector-favored red line of text, this reference 126600 brings Rolex's more technical dive watch into a sharper, more contemporary 43mm format. The black dial keeps the look direct and purposeful, while the stainless steel case and bracelet give it the grounded feel expected of the model. Inside is an automatic movement with date. At 15.2mm thick, it wears with the planted, substantial profile that defines the Sea-Dweller.