This Rolex Sea-Dweller, reference L - 126600/126660 O, is a 17mm case in Steel unworn condition. Priced dealer-direct and shipped fully insured.
Developed alongside COMEX for saturation diving in the late 1960s, the Sea-Dweller built its identity around the helium escape valve at nine o'clock. The 40mm 16600, made from 1988 to 2008, holds the benchmark spot for balanced proportions and deep liquidity. The 43mm 126600 brings a contemporary movement and Glidelock comfort. The Rolesor 126603 carries gold content and commands a meaningful premium over the steel references. Read the full Sea-Dweller buying guide ›
Benchmark is the right word here. Since Hans Wilsdorf launched it in 1905, Rolex has defined what a mechanical watch should be, with firsts in waterproofing, self-winding, and date displays that gave it lasting credibility. Brand recognition is near-universal and the steel sports lineup holds value like few assets. Submariner, GMT-Master II, and Daytona routinely clear retail secondhand, so a wire payment and dealer-direct number put you ahead before the box even ships. Browse all Rolex ›
Rolex · L - 126600/126660 O
Rolex Sea-Dweller, Steel, 17mm case.

