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Black Bay 58 925

Two Months With the Tudor Black Bay Fifty-Eight 925: Tarnish, Scratches and Straps

Michael Stockton wore the Black Bay Fifty-Eight 925 almost nonstop for two months. Here’s what he observed about tarnish, scratches, thickness and straps.

By WatchRanker Team 5 min read
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After wearing the Tudor Black Bay Fifty-Eight 925 (reference M79010SG-0001) almost nonstop for two months, Fratello reviewer Michael Stockton reported no significant tarnishing and a couple of everyday scratches. That is one owner’s short-term experience, not proof that the silver case will never tarnish or mark. The watch’s appeal is its distinctive 925 silver case and muted taupe design; its practical trade-offs include a 12.7 mm case and a leather strap rather than a matching silver bracelet.

What is the Black Bay Fifty-Eight Silver?

The model discussed here is the original 2021 Black Bay Fifty-Eight 925, reference M79010SG-0001—not a later revision or a general description of every Black Bay 58 configuration. Tudor’s current specification page lists a 39 mm satin-finished 925 silver case, 20 mm lug width, 12.7 mm thickness, open sapphire caseback, taupe domed dial, and a unidirectional bezel with a taupe anodised-aluminium insert. It is rated to 200 m (660 ft) and powered by the self-winding MT5400 COSC movement, with an approximately 70-hour power reserve. The listed strap is brown leather with a 925 silver buckle. Tudor’s current M79010SG-0001 specifications were accessed October 3, 2026; check the local Tudor site for current price and market terms.

The “925” names the silver fineness. Tudor’s 2021 launch material says the alloy’s exact composition is a closely held secret and states: “The properties of this alloy are such that use does not affect the appearance of the case of the Black Bay Fifty-Eight 925.” That is Tudor’s claim about its proprietary alloy and described use, not a promise that patina is impossible over a lifetime. The “Fifty-Eight” also nods to 1958, the year Tudor introduced reference 7924, the “Big Crown,” its first divers’ watch waterproof to 200 m. At launch, Tudor described both a taupe Jacquard fabric strap with silver band and brown grain leather; the current product page for this reference lists the leather strap.

Does the Tudor Black Bay Fifty-Eight Silver tarnish?

Stockton’s account offers a useful but tightly bounded answer. In his August 3, 2021 Fratello review, he said he had owned the watch for a couple of months and wore it “almost nonstop” for two straight months. His travel and water exposure included Spain, Germany, Florida, Detroit, and Pennsylvania, as well as chlorinated pools, hot tubs, showers, the Gulf of Mexico, and the Atlantic. He wrote: “What I can tell you is that while my watch may not look as glowing white as Day 1, I see no significant tarnishing.”

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He wondered whether there might be darkening near the lugs, but thought it could be a shadow and did not report lasting significant tarnish during his observation period. In practical terms, the watch had lost some of its initial brightness to his eye, but he did not see the kind of significant tarnishing he had worried about. His experience does not establish how the alloy will look after years, or how another wearer’s environment and habits will affect it. No controlled tarnish test or independent numerical durability study is established by these accounts.

Does the Tudor Black Bay Fifty-Eight Silver scratch easily?

Stockton reported a couple of marks after ordinary active use, including contact with bricks lining a pool. He said he had not babied the watch. He also speculated that steel would have scratched in the same situation, but that is his opinion—not a comparative test of silver and steel. The grounded takeaway is that his case picked up a couple of marks over two months; the anecdote does not show that the case is scratch-proof or establish how its scratch resistance compares with steel.

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How does it wear, and what strap options make sense?

The 39 mm diameter and 20 mm lug width give the watch familiar Black Bay 58 proportions, while the 12.7 mm thickness is worth noting if a slim profile is a priority. Fratello’s comparison with the steel generation it discussed gave that steel model a thickness of 11.9 mm; do not treat that older figure as the specification for every later steel Black Bay 58. Worn & Wound likewise noted the silver version’s 12.7 mm thickness and connected the increase over the 11.9 mm steel watch in its review to the exhibition caseback. These comparisons describe those review contexts, not every current family configuration.

Stockton kept the factory leather strap for several weeks, then tried third-party straps in the nominal 20 mm width. He bought an inexpensive canvas strap on Amazon and preferred a green Tropic-like strap from a maker in Cyprus, finding the contrast worked well with the chalky gray-taupe dial. Those were aftermarket choices, not Tudor-included equipment. If you shop for a 20 mm watch strap, canvas or nylon option, check the strap’s construction and actual fit rather than relying on width alone.

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There was no matching silver bracelet available in Worn & Wound’s review context, which makes strap swapping a meaningful part of the way that review framed the watch. Catalog offerings can change, so verify what is available for this exact reference in your market rather than assuming options from other Black Bay 58 models fit or are included.

What the water rating does—and does not—tell you

Tudor rates this reference to 200 m (660 ft). Stockton’s report that he wore it in pools, hot tubs, showers, and the sea describes his own use; it is not an independent pressure test, and it does not establish that every strap is appropriate for those settings. Follow Tudor’s current guidance for the watch and the specific strap you use.

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Who is the silver version for?

The 925 model makes most sense for someone drawn to its satin-finished silver case and restrained taupe dial and bezel, and willing to choose a strap rather than default to the bracelet configuration associated with some steel alternatives. The steel Black Bay 58 variants are the more direct choice if you specifically want steel or a particular bracelet setup; confirm the dimensions and available configuration of the exact model, since family specifications and offerings are not interchangeable.

Stockton’s verdict remained enthusiastic after more than ten weeks: the watch still attracted him, and he expected it to become a regular in his rotation. He also wished Tudor had included both leather and nylon straps. Those are his preferences, not a consensus or a guarantee that the silver case will age the same way for every owner. Tudor currently lists a five-year transferable guarantee with no registration or periodic maintenance checks required; check local terms before relying on that coverage.

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