The Rolex Datejust reference 126300-0003 is a 40mm timepiece in Steel presented in unworn condition, with a Silver Index dial, Smooth bezel, Oyster bracelet, dated circa 2018. Supplied with its original papers. Every watch is inspected and authenticated by our specialists before it is offered, so you can buy with confidence.
Rolex · 126300-0003
Rolex Datejust in Steel, 40mm case, Silver Index dial, Smooth bezel. Circa 2018.


Begin with what makes the Datejust matter. It was the first self-winding waterproof chronometer to display a date in a magnified Cyclops window, launched in 1945. That heritage now reaches across four sizes and an almost unlimited dial palette. Within a single reference, bezel and dial choices drive significant spreads. Our role is to verify originality, explain those differences, and steady your decision. Read the full Datejust buying guide ›
Today Rolex dominates the prestige sports-watch market and functions as much as an asset class as a timepiece. The brand, founded in 1905 by Hans Wilsdorf, pioneered waterproofing, self-winding movements, and date displays from its Geneva manufacture. Our authentication covers the Oyster case, Perpetual movement, and Cyclops lens. Since steel references trade above retail and supply stays tight, expert guidance helps you buy the right piece. Browse all Rolex ›
