Rolex Day-Date 36 36 mm 118348CSO Yellow Gold/Diamonds Cognac

The Rolex Day-Date is one of the most storied watches in horological history, introduced in 1956 as the first wristwatch to display the full day of the week spelled out on the dial alongside the date — a distinction that earned it the enduring nickname "the President's watch." Worn by heads of state, business leaders, and cultural icons, the Day-Date has long served as shorthand for achievement and discernment. The 36mm case size remains the classic, original diameter of the line, preserving the proportions that made the Day-Date legendary while fitting a wide range of wrists with effortless elegance.

Reference 118348CSO showcases Rolex's mastery of precious materials in a single, cohesive composition. The 36mm case and Oyster bracelet are crafted entirely in 18k yellow gold, a warm and immediately recognizable choice that has defined the Day-Date's identity for decades. The Oyster case architecture — with its triple-lock winding crown and screw-down caseback — provides the robust, hermetically sealed construction that Rolex is known for, ensuring the watch is rated to 100 meters (330 feet) of water resistance despite its decidedly formal character.

The cognac dial of the 118348CSO is one of the most compelling aspects of this reference. Rich, amber-warm, and deeply luxurious, the cognac color pairs beautifully with the yellow gold surroundings, creating a tonal harmony that feels both vintage-inspired and thoroughly modern. Rolex crafts its dials with exceptional attention to finish, and cognac dials in the Day-Date family are perennially sought after by collectors who appreciate warmth and individuality over more conventional dial choices.

Framing the dial is a diamond-set bezel, which elevates this reference beyond the standard fluted or smooth bezel options. Each diamond is carefully selected and set by Rolex's in-house gem-setting artisans, adding a continuous ring of brilliance around the dial and catching light with every movement of the wrist. The combination of the cognac dial and the diamond bezel on an 18k yellow gold Oyster bracelet makes reference 118348CSO one of the most eye-catching and complete expressions of the Day-Date 36 available on the secondary market.

Beneath the case, an automatic movement powers the watch with the reliability and precision that Rolex movements are globally respected for. The Day-Date has always been home to Rolex's most advanced in-house calibers, and the self-winding mechanism ensures effortless daily timekeeping without the need for manual winding under normal wear conditions. The combination of precious-metal construction, gem-set beauty, and mechanical excellence is what distinguishes the Day-Date from virtually every other watch in the world.

At Bizak & Co., we specialize in sourcing and presenting exceptional pre-owned and pre-loved Rolex timepieces for discerning buyers across the United States. The Rolex Day-Date 36 reference 118348CSO in yellow gold with a cognac dial and diamond bezel is a rare and desirable find for the collector who wants the full, unapologetic luxury of what the Day-Date can be. Browse this listing at bizakandco.com, reach out to our team with any questions, and buy this Rolex Day-Date 36 online with the confidence that comes from working with a knowledgeable and dedicated dealer.