The Black Bay 54 takes its name and its proportions from Tudor's earliest divers, the 37mm case diameter is a deliberate nod to the 1954 reference that started the lineage, and on the wrist it reads as compact and purposeful rather than shrunken.

The defining detail is the "Tudor blue": a deep sapphire hue carried across both the sunray-brushed domed dial and the aluminium bezel insert, giving the watch a coherent, period-correct character that the larger Black Bays can only approximate.

Snowflake hands, a hallmark of Tudor sport references since 1969, pair with a lollipop seconds hand and applied luminous hour markers, the whole dial composition leaning unambiguously vintage without any of the self-conscious retro affectation that plagues the category.

The 60-minute unidirectional bezel carries no minute graduations, exactly as the original did. Inside, Tudor's manufacture calibre MT5400 runs COSC-certified, with a 70-hour power reserve and a bidirectional rotor, so the movement credentials are thoroughly current even as the aesthetics look back.

The three-link steel bracelet, finished in a mix of polish and satin, closes with Tudor's T-fit clasp, a small but welcome piece of engineering that makes dialing in the fit quick and repeatable.

• Reference: M79000B-0001
• Case diameter: 37 mm
• Case material: Stainless steel
• Bracelet / Strap material: Five-link stainless steel bracelet
• Water resistance: 200m (660 ft)
• Movement: MT5400 (COSC)
• Power reserve: 70-hour power reserve