Tudor Black Bay One 36mm S&G Steel Black Diamond Dial M79643-0006 - BRAND NEW

The Tudor Black Bay One 36 in steel and yellow gold, reference M79643-0006, is a compact yet commanding sports watch that sits at the intersection of Tudor's storied dive-watch lineage and contemporary luxury design. At 36mm the case is universally flattering, wearing comfortably on a wide range of wrist sizes while maintaining the bold, cushion-influenced silhouette that has defined the Black Bay family since its modern relaunch. This particular reference elevates the classic formula with two-tone execution — polished yellow gold accents layered over brushed steel — creating a piece that reads as both sporty and genuinely dressy.

The dial is where M79643-0006 truly distinguishes itself within the Black Bay catalogue. A deep black background is punctuated by diamond-set indices that catch light with every movement of the wrist, lending the watch a brilliance rarely found in the tool-watch genre. The yellow gold applied markers and handset complement the bezel and bracelet, creating a cohesive, colour-harmonious design from dial to clasp.

The yellow gold bezel is one of the most immediately recognisable design elements on this reference. Polished to a warm lustre, it frames the black dial with authority and adds genuine precious-metal value to the piece. Tudor's attention to finishing is evident in the way brushed and polished surfaces alternate across the case and bracelet links, a hallmark of Swiss watchmaking at this tier.

The integrated steel and yellow gold bracelet continues the two-tone language of the case and bezel, tapering gracefully toward the clasp and sitting securely on the wrist. At 36mm the Black Bay One 36 sits closer to the wrist than its larger siblings, giving it a refined, almost jewellery-like wrist presence that makes it equally at home at a formal dinner as it is during everyday wear. The combination of diamond indices and precious-metal accents positions this reference as one of the dressiest sport watches in Tudor's current lineup.

Buying from Bizak & Co. means acquiring this brand-new Tudor Black Bay One 36 M79643-0006 with full confidence in authenticity and condition. Our team of specialists is available to answer every question, walk you through the details of this reference, and ensure a seamless purchase experience. Whether you are adding your first Tudor to your collection or seeking a statement two-tone sports watch, the M79643-0006 represents exceptional value in the luxury watch market — and Bizak & Co. is committed to offering it at the best possible price.