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1Scan for outdated or missing drivers - takes under a minute2Clear out junk files and repair common Windows errors3Fix the driver behind crashes, sound loss and screen glitchesThe current Tudor Black Bay Fifty-Eight makes the stronger case if you want a dive watch: it pairs a rotating timing bezel with 200 m water resistance. The current Black Bay 36 is smaller, has a fixed bezel and is rated to 100 m, making it the more restrained everyday option. That is a case for choosing one over the other—not evidence that the 58 outsold or displaced the 36.
What “knocked out” means—and what it does not
The title works as a buyer’s argument: the Black Bay 58 can win over someone considering a Black Bay 36 because it offers a more explicitly dive-oriented package. There is no evidence here that the 58 caused the 36 to be discontinued or outsold it. The comparison also needs a model-year distinction: a 2019 article compared an earlier 36 with the original 58, while the current 36 belongs to a newer 31/36/39/41 mm family and the 58 was updated for 2026.
| # | Preview | Product | Price | |
|---|---|---|---|---|
| 1 |
|
Tudor Black Bay Fifty Eight Automatic Chronometer Blue Dial Men's Watch M79030b-0001 | $4,912.86 | Buy on Amazon |
| 2 |
|
TUDOR Black Bay 58 GMT | $5,550.00 | Buy on Amazon |
| 3 |
|
Tudor GMT 58 Black Bay | $5,449.98 | Buy on Amazon |
| 4 |
|
Tudor Black Bay Fifty-Eight Automatic Blue Dial Men's Watch M79030B-0003 | $4,300.00 | Buy on Amazon |
| 5 |
|
Black Bay 58 Tudor Black Bay 58 | $5,699.99 | Buy on Amazon |
Current Black Bay 58 vs. current Black Bay 36
| Specification | Black Bay 58, 2026 reference 7939A1A0NU | Black Bay 36, current family |
|---|---|---|
| Case diameter | 39 mm (TUDOR, 2026) | 36 mm (TUDOR, current 31/36/39/41 mm family) |
| Case thickness | 11.7 mm (TUDOR, 2026) | Not stated in the cited TUDOR family material |
| Lug-to-lug | 47.8 mm (TUDOR, 2026) | Not stated in the cited TUDOR family material |
| Bezel | Unidirectional rotating bezel | Fixed, polished-and-satin bezel |
| Water resistance | 200 m | 100 m |
| Movement and certification | Manufacture calibre MT5400-U; COSC- and METAS-certified | Manufacture calibre MT5400; COSC-certified |
| Power reserve | 65 hours, METAS-certified | Approximately 70 hours |
| Bracelet and strap options | Five-link or three-link steel bracelet, or rubber strap; all listed with T-fit clasp | Five-link bracelet with T-fit rapid adjustment |
Specifications are from TUDOR’s 2026 Black Bay 58 product material and its Black Bay 31/36/39/41 mm range material. They describe product features, not independent findings about comfort, accuracy in everyday wear or service costs.
Where the 58 has a practical edge
The bezel is useful for elapsed time
The 58’s unidirectional rotating bezel lets you mark elapsed time at a glance, which is useful for diving and also for everyday timing. The 36’s fixed bezel does not provide that function. If you never use a timing bezel, however, its presence may matter more to the look than to your routine.
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- Tudor Black Bay Fifty Eight Automatic Chronometer Blue Dial Men's Watch M79030b-0001
Its rating is more explicitly dive-oriented
TUDOR rates the current 58 to 200 m and the current 36 to 100 m. That difference supports the 58 as the more purpose-built water-use choice, but a rating alone does not establish suitability for every activity or replace following the manufacturer’s use and maintenance guidance.
Why the 36 can still be the better buy
Smaller proportions and a quieter design
At 36 mm, with a fixed bezel and less overtly diver styling, the 36 is the natural choice if you want a smaller watch that can move more easily between casual and dressier settings. The 58 measures 39 mm across and 47.8 mm lug-to-lug; its listed thickness is 11.7 mm. These figures help frame the difference, but wrist shape and personal preference determine how either watch actually wears. Try both on if possible, rather than treating diameter alone as a fit verdict.
Rank #2
- Tudor Black Bay 58 GMT "Coke" Automatic Black Dial Men's Watch M7939G1A0NRU-0002
A slightly longer stated reserve
TUDOR gives the current 36 an approximately 70-hour power reserve, compared with the 58’s 65-hour METAS-certified reserve. Both movements are manufacture calibres and COSC-certified; the 58’s MT5400-U also carries METAS certification. The reserve figures and certification labels do not, by themselves, prove better real-world timekeeping or a difference in service cost.
Price depends on market and configuration
Compare prices in the same market and for the same kind of strap or bracelet. TUDOR’s 2026 Swiss list prices for the 58 are CHF 4,350 on five links, CHF 4,250 on three links and CHF 4,050 on rubber; its current range material lists CHF 3,650 for the 36 mm configuration. These are Swiss prices, not US conversions or US retail quotes.
Rank #3
- Tudor Black Bay 58 GMT "Coke" Automatic 39mm Black Dial Men's Watch M7939G1A0NRU-0001
For the United States, Tim Jeffreys reported on April 14, 2026, list prices of $5,350 for the 58 on a five-link bracelet, $5,225 on a three-link bracelet and $4,975 on rubber, and reported availability at that time. These are dated reported prices, not a live quote; check current pricing and availability with a retailer. Source: Hodinkee’s April 14, 2026 report.
Which one should you choose?
- Choose the Black Bay 58 if you want the rotating timing bezel, the higher water-resistance rating and a more overtly dive-watch design, and you are comfortable with its 39 mm case dimensions.
- Choose the Black Bay 36 if a 36 mm case, fixed bezel and more restrained styling better suit your wrist and wardrobe, or if its approximately 70-hour stated reserve matters more to you than the 58’s dive-focused features.
- Try both before deciding if fit is the deciding factor. The published dimensions are a useful starting point, not a substitute for seeing how each case and bracelet sits on your wrist.
Why the Fifty-Eight is called the Fifty-Eight
The name refers to 1958, the year TUDOR introduced reference 7924, nicknamed the “Big Crown,” which the brand identifies as its first diver’s watch waterproof to 200 metres. The history is summarized in TUDOR product material reproduced on the GPHG Black Bay Fifty-Eight page.
Rank #4
- Tudor Black Bay Fifty-Eight Automatic Blue Dial Men's Watch M79030B-0003
Keep older comparisons in their period
A 2019 comparison of the earlier Black Bay 36 and original Black Bay 58 described the 36 as 36 mm thick? Actually, that article reported a 36 mm case, 10.5 mm thickness, 150 m water resistance and an ETA-based movement; its original 58 figures were 39 mm, 11.9 mm thick, 200 m water resistance, a COSC-certified MT5402 and a 70-hour reserve. Those are historical specifications, not the current models’ specifications. Its $2,850 and $3,575 MSRP figures are also historical, not current prices. The author’s styling and wrist impressions are subjective, not controlled testing or a consensus. See Rescapement’s 2019 comparison.
Quick Recap
Best Value
- Main Material: Stainless Steel
- Case Size: 39mm Steel Case with Polished and Satin Finish
- Series: Black Bay 58
- Dial Hue: Burgundy
- Movement Type: Manufacture Calibre MT5400-U; Self-winding Mechanical Movement with Bidirectional Rotor System
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
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