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Tudor Black Bay 58 watch

Tudor

Black Bay 58

Ref. M7939A1A0NU-0001, M7939A1A0RU-0001, M79030N-0001

The 39 mm diver that made Tudor cool. There are now two generations on the market, and the older one is the bargain.

Deal · Compare · Prices · Buying guide · History · Specs · FAQ

Current deal · verified Oct 19, 2026, 8:21 PM ET

$4,150 Jomashop's listed retail $4,700

Save $550 (12%) · new · Jomashop

Ref. M79030N-0001 (previous generation, black, steel bracelet) · In stock (per Jomashop)

See it at Jomashop

This is the 2018-generation BB58; Tudor's US site no longer lists it and now shows the new BB58 from $4,975. Also checked: the new burgundy M7939A1A0RU-0001 at Jomashop for $4,850, or $4,650 with a $200 coupon, vs $5,350 Tudor retail (8:23 PM ET). Prices change fast; check the store before you buy.

Price comparison: fixed-price listings

StoreConditionBox & papersAsking priceLinkChecked
JomashopnewYes*$4,850ViewOct 19, 2026

Fixed-price (buy-now) asking prices in USD for ref. M7939A1A0NU-0001, cheapest new and cheapest pre-owned with box and papers per store, sorted low to high and checked Oct 19, 2026 (ET). Buy-now listings only. Pre-owned listings are shown only when the listing states box and papers. * New from a grey-market dealer: comes boxed, but the warranty card may be the dealer's rather than the brand's. Chrono24 rows are individual third-party marketplace sellers. Prices change fast; confirm with the store.

What it really costs

MarketPriceSource
Tudor US retail (new BB58)$4,975 rubber · $5,225 – $5,350 bracelettudorwatch.com
Grey-market new$4,150 M79030N-0001 · $4,850 M7939A1A0RU-0001 (Jomashop)jomashop.com
Pre-owned M79030N-0001about $3,100 – $4,650 (median ~$3,950)Chrono24
Pre-owned M7939A1A0RU-0001about $4,200 – $5,500 (median ~$4,700)Chrono24

All prices in USD, checked Oct 19, 2026 (ET). Pre-owned ranges are the middle 80% of asking prices on the first Chrono24 results page for that ref (about 60 listings, used and some unworn), fixed-price listings only. Grey-market = brand-new from a non-authorized dealer.

Buying guide

Key references

Ref.What it isUS retail
M7939A1A0NU-0001Current BB58, matt black dial, 5-link bracelet, MT5400-U Master Chronometer$5,350
M7939A1A0RU-0001Current BB58, burgundy dial and bezel, steel bracelet$5,350
M79030N-00012018-generation BB58, black, MT5402 (COSC), offered new by grey dealers$4,700 (Jomashop's listed retail)

Which one I'd pick

New MT5400-U vs 2018 M79030N: the new one is thinner, Master Chronometer certified and has T-fit on every bracelet. The older M79030N is the value play: $4,150 new grey-market today, roughly $1,200 under a new bracelet BB58 at retail.

Black vs burgundy: black is the classic. The burgundy M7939A1A0RU-0001 is the bolder take, based on a Tudor prototype from the '90s that never went into production.

What to check before you buy

Alternatives worth a look

History

Tudor's ref. 7924 'Big Crown' of 1958 was the brand's first Submariner rated to 200 m, with an enlarged screw-down crown and a thicker case.

In 2018 Tudor introduced the Black Bay Fifty-Eight as a modern tribute to it: a 39 mm case, 200 m water resistance and the new COSC-certified Manufacture Calibre MT5402.

The new edition keeps the look but updates the case (11.7 mm thick), the bezel and crown, cuts the dial text to two lines, and moves to the MT5400-U, certified both COSC and METAS Master Chronometer, with a 65-hour power reserve and T-fit clasps on every bracelet and strap.

Fun fact

The '58' refers to 1958, the year of Tudor's ref. 7924 'Big Crown' diver.

Specifications

BrandTudor
ModelBlack Bay 58
Key referencesM7939A1A0NU-0001, M7939A1A0RU-0001, M79030N-0001
Launch year2018
Case39 mm stainless steel
Thickness11.7 mm (current MT5400-U models)
Lug width20 mm
CrystalDomed sapphire
BezelUnidirectional, steel with anodised aluminium insert
Bracelet5-link or 3-link 'rivet-style' steel, or rubber, all with T-fit clasp
MovementCalibre MT5400-U, automatic (COSC + METAS Master Chronometer); previous M79030N: MT5402
Power reserve65 hours
Water resistance200 m
Approx. US retail (Oct 2026)From $4,975 (rubber); $5,225–$5,350 on bracelet

Specs from the brand's official product page for the main reference. Retail prices are list prices, not market value, and change often.

Highlights

FAQ

How much is a Tudor Black Bay 58?

Tudor's US site lists the current Black Bay 58 from $4,975 on rubber and $5,225 to $5,350 on bracelet (checked Oct 19, 2026). The previous M79030N-0001 was $4,150 new at Jomashop.

What's the difference between the old and new Black Bay 58?

The new BB58 (M7939 refs) uses the Master Chronometer MT5400-U with 65 hours of reserve, an 11.7 mm case, a redesigned bezel and crown, and T-fit clasps. The 2018 M79030N uses the COSC MT5402.

How thick is the Black Bay 58?

Tudor lists the current Black Bay 58 at 11.7 mm thick, 39 mm across, with 20 mm lugs.

Why is it called Black Bay 58?

It refers to 1958, when Tudor introduced the ref. 7924 'Big Crown', its first divers' watch rated to 200 m.

Is the Black Bay 58 a good first luxury watch?

It's a popular choice: 39 mm, 200 m, an in-house chronometer movement, and one of the few Swiss divers you can buy new under retail today.

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Prices and availability last checked Oct 19, 2026. No affiliate links: I don't earn anything if you buy. Sources are listed in our research notes and linked above.