Tudor Black Bay 58 vs 54: Which Size Should You Buy?
The Black Bay 58 and the Black Bay 54 are two of the most popular Tudor watches today. Both are vintage-inspired dive watches, both use Tudor in-house movements, and both are smaller than the original Black Bay 41. So which one should you buy? This guide compares them side by side to help you choose.
Quick comparison
| Black Bay 58 | Black Bay 54 | |
|---|---|---|
| Launched | 2018 | 2023 |
| Inspired by | Tudor ref. 7924 “Big Crown” (1958) | Tudor ref. 7922, the first Tudor diver (1954) |
| Case diameter | 39 mm | 37 mm |
| Thickness | about 11.9 mm | about 11.2 mm |
| Movement | Tudor MT5402, about 70-hour power reserve | Tudor MT5400, about 70-hour power reserve |
| Water resistance | 200 m | 200 m |
| Look | Gilt (gold-coloured) details, minute-marked bezel | Very clean, minimalist dial and bezel |
Size and fit: the biggest difference
Two millimetres does not sound like much, but on the wrist it is noticeable. The Black Bay 58 at 39 mm is often described as the “just right” size for most wrists. It has enough presence to feel like a proper dive watch but is far slimmer and more comfortable than the 41 mm Black Bay.
The Black Bay 54 at 37 mm is closer to the size of the original 1950s divers. It is ideal for smaller wrists, for anyone who likes a discreet vintage look, and for people who want a dive watch that slides easily under a shirt cuff. On larger wrists it can look small, so if you normally wear 40 mm watches, try to see one in person or compare measurements carefully.
Design and character
The Black Bay 58 has the classic Black Bay ingredients: “snowflake” hands, a bezel with full minute markings, and gilt (gold-coloured) accents on many versions, which give it a warm vintage feel. It also comes in more colours, including black, navy blue and burgundy, and on different straps and bracelets.
The Black Bay 54 is more pared back, with a simpler bezel and a very clean dial. It feels closer to a 1950s tool watch and is a favourite with collectors who like understated designs. Special versions such as the Lagoon Blue add a bright, summery colour.
Movement and everyday use
Both watches use Tudor’s in-house, chronometer-certified movements with a power reserve of around 70 hours. That means you can take the watch off on Friday evening and it will still be running on Monday morning. Both are water resistant to 200 m, more than enough for swimming and diving. In daily use there is no real difference in reliability between them.
Which one should you buy?
- Choose the Black Bay 58 if you want one watch for everything, have an average or larger wrist, or like the gilt vintage details.
- Choose the Black Bay 54 if you have a smaller wrist, prefer a minimal design, or want the most authentic 1950s proportions.
- Still unsure? Measure a watch you already own and like. If it is 38–40 mm, the 58 is probably your watch; if it is 36–37 mm, look at the 54.
Buying pre-owned
Buying a pre-owned or unworn Black Bay is a smart way to get the exact model and colour you want without waiting. Check that the watch comes with its box and papers if that matters to you, look at the condition of the bezel and bracelet in the photos, and confirm the reference number on the listing.
Browse our pre-owned Tudor Black Bay watches, including the Black Bay 58 Blue (full kit) and the Black Bay 54 Lagoon Blue. Every watch is checked before it is listed, ships free and insured to 43 countries, and comes with free 30-day returns and a 2-year warranty.
Comparing Tudor with Rolex? Read Tudor Black Bay vs Rolex Submariner, or see all our pre-owned Tudor watches.







