Rolex Datejust 36 36 mm 126234BLSO Steel/White Gold Blue

The Rolex Datejust is arguably the most recognizable dress watch in horological history, and the 36 mm Datejust in particular represents the purest expression of that legacy. Introduced in 1945 as the world's first self-winding waterproof wristwatch to display the date in a window at three o'clock, the Datejust has been refined over decades into a masterpiece of functional elegance. Reference 126234BLSO sits within the current-generation Datejust 36 collection, combining Rolex's proprietary Oystersteel with accents and a bezel crafted in 18-karat white gold—a pairing that elevates the watch well beyond the purely utilitarian without abandoning wearability.

The case measures a versatile 36 mm in diameter, a dimension that flatters a wide range of wrist sizes and has the added benefit of looking equally correct on any gender. The Oyster case architecture—with its screw-down crown and caseback—provides 100 meters (330 feet) of water resistance, ensuring the watch is robust enough for daily life while remaining understated enough for the most formal occasions. The case finishing blends polished and brushed surfaces with expert precision, a hallmark of Rolex's in-house manufacturing standards.

The blue dial of reference 126234BLSO is a defining feature that commands immediate attention. Blue dials have surged in desirability among collectors over the past decade, and Rolex's execution here is characteristically superb, with a deep, confident color that shifts subtly under different lighting conditions. The applied hour markers and hands are finished in white gold, harmonizing perfectly with the 18k white gold fluted bezel—one of Rolex's most celebrated design signatures, first introduced in the 1940s and retained ever since as a symbol of Datejust prestige.

The watch is driven by an automatic movement, the perpetual rotor system Rolex has championed since it patented the technology in 1931. This self-winding mechanism means the watch stays running through ordinary wrist motion, requiring no manual winding in daily use. The movement is housed within the Oyster case, shielded from dust, moisture, and magnetic interference, delivering the kind of reliability that has made Rolex synonymous with precision timekeeping worldwide.

On the wrist, the Datejust 36 126234BLSO wears with quiet authority. The Oyster bracelet—with its three-piece link design and Oysterclasp—drapes comfortably across the wrist and remains one of the most copied bracelet designs in watchmaking, never surpassed in its combination of strength and comfort. Whether paired with a tailored suit or smart-casual attire, this reference transitions effortlessly and rewards the wearer with a timepiece that appreciates in cultural and monetary value over time.

At Bizak & Co., we offer this brand-new Rolex Datejust 36 reference 126234BLSO as a certified authentic timepiece, presented as a blue-dial, white-gold-fluted-bezel watch for discerning buyers who demand both beauty and provenance. Please note that Bizak & Co. is not an authorized Rolex dealer; all watches are sourced through established secondary-market channels and verified for authenticity. We invite you to browse our full Rolex Datejust collection online or contact our team directly to purchase this reference and take advantage of our trusted, client-first buying experience.