Rolex Datejust 36 36 mm 126231SRO Steel/Rose Gold Slate Rolex Datejust 36 36 mm 126231SRO Steel/Rose…

The Rolex Datejust is widely regarded as the archetype of the classic dress watch—introduced in 1945 as the first self-winding wristwatch to display the date in a window at 3 o'clock, it has remained in continuous production ever since, evolving in detail while preserving its essential character. The 36mm case size is the historically correct diameter for the Datejust, honoring the original proportions that made the model iconic across generations and genders. Reference 126231SRO belongs to the current-generation Datejust 36 lineup and represents one of the most refined expressions in the series.

The case of the 126231SRO is crafted in Rolex's proprietary Oystersteel, a 904L stainless steel alloy prized for its exceptional corrosion resistance and mirror-bright polish, combined with 18k Everose Gold—Rolex's exclusive rose gold alloy formulated to resist fading over time. The 36mm Oyster case is a model of balanced proportions: broad enough to command presence on the wrist, compact enough to slip beneath a shirt cuff with ease. Water resistance is rated to 100 meters (330 feet) thanks to the screw-down Triplock crown and solid Oysterlock clasp.

The bezel is one of the most visually arresting elements of this reference: a fully fluted design executed in 18k Everose Gold, its angled facets catching light with every movement of the wrist. The fluted bezel is a Datejust signature that traces its roots to the earliest references and was originally functional—its ridged profile providing grip for tightening the bezel—but has evolved into one of the most recognizable decorative motifs in watchmaking. Paired with the warm rose gold tone, it frames the dial with a sense of occasion.

The slate Roman numeral dial is the defining character of reference 126231SRO. The deep, nuanced grey of the slate surface shifts between cool and warm depending on the light, while the applied Roman numeral hour markers add a classical, almost architectural quality. A date aperture at 3 o'clock, fitted with Rolex's Cyclops magnification lens on the crystal, ensures legibility at a glance. The combination of a slate ground and warm-toned rose gold indices and hands creates a harmonious palette that feels simultaneously contemporary and timeless.

Beneath the caseback, an automatic movement drives the watch—a hallmark of Rolex engineering that ensures reliable, self-winding performance suitable for everyday wear. The movement is protected by the robust Oyster case construction, which has made Rolex synonymous with dependability. The Oyster bracelet, rendered here in matching Oystersteel with Everose Gold center links, completes the two-tone aesthetic and provides a secure, comfortable fit thanks to the Easylink extension system integrated into the clasp.

Bizak & Co. is an independent pre-owned and grey-market luxury watch dealer offering discerning collectors access to references like the Rolex Datejust 36 126231SRO. Whether you are looking to buy this watch online or simply want expert guidance on this reference, our team is ready to assist. Please note that Bizak & Co. is not an authorized Rolex dealer; all manufacturer warranties are handled through official Rolex service channels. Reach out to us at bizakandco.com to confirm current availability and pricing.