Rolex Datejust 36 36 mm 126234BJDJ Steel/White Gold Blue Rolex Datejust 36 36 mm 126234BJDJ Steel/White…

The Rolex Datejust is, by any measure, the quintessential dress watch of the modern era. Introduced in 1945 as the first self-winding wristwatch to display the date automatically through a window in the dial, the Datejust has never left continuous production — a testament to a design that has remained unmistakably itself through decades of refinement. The 36mm case size sits at the heart of the Datejust family, honoring the watch's original proportions while wearing with authority on a wide range of wrist sizes.

Reference 126234BJDJ represents the Datejust 36 in one of its most desirable configurations. The case is constructed from Rolex's proprietary Oystersteel — an alloy in the 904L family that polishes to an exceptional luster and resists corrosion with remarkable tenacity — while the fluted bezel and certain case components are rendered in 18k white gold, lending a cool, refined brightness to the profile. The result is a two-tone aesthetic that avoids ostentation while telegraphing serious quality to anyone who looks closely.

The blue dial is among the most sought-after color choices in the Datejust range, offering depth and personality that shifts subtly under different lighting conditions — appearing almost navy in shadow and a rich sapphire in daylight. Combined with the white gold fluted bezel, the visual pairing is crisp and jewel-like. The watch rides on the iconic Jubilee bracelet, a five-piece-link design that Rolex introduced alongside the very first Datejust in 1945 and that remains synonymous with the model's dress heritage.

Driving the 126234BJDJ is an automatic movement, the hallmark of a Rolex that winds itself through the motion of the wearer's wrist and requires no battery. The Oyster case is rated to 100 meters (330 feet) of water resistance, sealing the movement against dust, perspiration, and incidental water exposure — a meaningful real-world advantage for a watch intended to be worn every day. This is not a piece to be kept in a drawer; it is engineered to be lived in.

At Bizak & Co., this Rolex Datejust 36 ref. 126234BJDJ is offered as certified authentic and brand new, sourced through rigorous channels and verified for authenticity before it reaches our clients. Whether you are a first-time Rolex buyer drawn to the Datejust's storied legacy or a seasoned collector adding a versatile blue-dial steel-and-white-gold piece to a curated wardrobe, this reference delivers enduring value. Reach out to our team at bizakandco.com to buy this watch online or to ask any questions — we are here to make your acquisition seamless and confident.