The Tudor Heritage Black Bay Steel is the 2017 Black Bay reference 79730: a 41 mm stainless-steel watch with a matte black domed dial and a steel bezel. Its all-metal look comes from the bezel as well as the case, setting it apart from Black Bay versions with contrasting bezel colours. [Hodinkee’s 2017 introduction]
What is the Tudor Black Bay Steel?
Black Bay Steel is the name commonly used for the Heritage Black Bay reference 79730, introduced at Baselworld in 2017. The steel bezel was the distinctive design change in the Black Bay family at its launch; the dial is matte black and domed. This identifies a particular earlier model, not every current Black Bay with a steel case. [Hodinkee’s introduction]
What is established about its specifications?
The model introduction supports a 41 mm stainless-steel case, a steel bezel and a matte black domed dial. A secondary specification listing associates reference 79730 with a date display, 200 m water resistance and the MT5612 manufacture movement with COSC certification. Those details are not corroborated here by a reference-specific official Tudor specification sheet, so treat them as reported specifications rather than settled official figures. [Hodinkee; WatchBase reference listing]
How does it relate to current Black Bay models?
Tudor’s current Black Bay family includes multiple variants; that range should not be mistaken for the 2017 reference 79730. The current family page does not establish whether 79730 remains in production or is available new. For brand-authorized sales and retailer locations, Tudor directs customers to its official retailers and store locator. A retailer search does not by itself confirm stock of this reference. [Tudor Black Bay family]
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Quick Recap
Best Value
- New quality, easy to adjust the length to fit the wrist, one size fits everyone.
- Made top 316 L Stainless Steel material,environmentally friendly and healthy
- Wearable strap/wrist strap,suitable for original watch
- Easy to insert and remove,very suitable for your watch
- Exquisite craftsmanship and stylish design are perfect gifts for friends and family.
Rank #3
- Tudor Black Bay Fifty Eight Automatic Chronometer Blue Dial Men's Watch M79030b-0001
Rank #2
- CRAFTER BLUE TD01 curved end rubber watch band replacement for Tudor Heritage 41mm Black Bay Series
- Compatible with Tudor Heritage 79220, 79230, 79350 (Chrono), 79363 (Chrono Gold), 79730, 79830 (GMT) etc
- The NBR rubber watch band is made of pure vulcanized rubber which has superior strength and more resistant than natural rubber to oils and acids
- Lug width: 22mm; Buckle size: 20mm; Buckle type: Brushed Stainless Steel Tang Buckle; Overall Length: 135mm + 75mm (Strap length: 210mm / 8.27"); Thickness: Approx. 6.5mm - 3.5mm; Spring bar hole dia.: 1.76mm
- Come with a pair of replacement spring bars for easy installation.
#1 Best Overall
- Tudor Black Bay 58 GMT "Coke" Automatic 39mm Black Dial Men's Watch M7939G1A0NRU-0001
What to check if you are considering reference 79730
- Confirm the reference: ask the seller to identify the watch as 79730 rather than relying on the broad “Black Bay Steel” name.
- Verify the details that matter to you: request documentation or a reliable reference-specific specification for movement, water resistance, date display and original configuration.
- Check accessories individually: exact bracelet, strap, end-link and clasp compatibility for 79730 is not established here; do not assume a generic Black Bay bracelet or replacement part will fit.
- Assess a listing on its own evidence: no current price range, second-hand market estimate, or particular seller’s authorization is established here. Tudor’s locator can help identify official retailers, but it does not verify a third-party listing. [Tudor retailer locator]
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.
