Tudor Black Bay Fifty-Eight 79030B-0001 Blue Dial/Bezel (Full-Set/Unpolished)

Tudor Black Bay Fifty-Eight 79030B, 39mm steel case, blue dial, textile strap, full set with box and undated papers.

Tudor Black Bay Fifty-Eight

Tudor is a Swiss watch brand with roots going back to 1926, founded by Hans Wilsdorf, the same person behind Rolex. For most of its history, Tudor operated as a more accessible alternative to Rolex, sharing some design DNA but using more affordable components. In recent years, Tudor has repositioned itself more seriously, developing its own in-house movements and building a stronger identity of its own rather than just being a budget option.

The Black Bay line is Tudor's core collection and has been central to the brand's modern resurgence. It draws on vintage Tudor dive watch designs from the 1950s and 1960s, particularly the shape of the crown, the dial details, and the overall aesthetic. The Black Bay Fifty-Eight, introduced in 2018, is a variation within that line sized at 39mm, which is notably smaller than the standard Black Bay at 41mm. The "Fifty-Eight" name references 1958, the year Tudor released one of its early dive references. The reduced case size has made it a popular choice for people who prefer a more traditional, manageable fit on the wrist.

This particular reference (79030B) features a blue dial and blue aluminum bezel insert, and runs on Tudor's in-house MT5402 movement, which is a solid, COSC-certified automatic with a 70-hour power reserve. Tudor making its own movement is a relatively recent development for the brand and adds credibility to the watch beyond just its looks. The Blue Black Bay 58 sits in a competitive space in the market, but it holds its value reasonably well and has consistent demand among buyers who want a well-made, vintage-inspired sports watch at a price point below comparable Rolex options.

Key Details To Consider

The Tudor Black Bay Fifty-Eight in blue is one of Tudor's most popular references, and this example presents very well for a used piece. The 39mm steel case is in its original, unpolished state, retaining the sharp lines and mixed finish that Tudor intended from the factory. Wear is minimal throughout, and the blue bezel insert looks to be in great shape alongside a clean crystal.

The dial carries Tudor's warm navy blue tone that pairs naturally with the fabric NATO strap, which also shows very little in the way of use. The MT5402 movement inside is Tudor's in-house caliber, offering a 70-hour power reserve and COSC-level accuracy, so it performs as well as it looks.

This watch was purchased from an authorized dealer in 2025, making it a recent production piece. It comes with the original Tudor box and open, undated papers. For anyone looking for a well-kept example with full accessories and minimal wear, this one is worth a close look.

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