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Tudor Heritage Black Bay 32mm Stainless Steel
Ref. M79580-0001
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Stepping up in the same colour and case shape
The Black Bay family has always leaned into its diving heritage, but the 32mm variant makes a different argument: that the same design language — snowflake hands, applied geometric indices, the high-domed silhouette — works just as well stripped of the rotating bezel and scaled for a narrower wrist. The fixed polished bezel replaces the functional tool-watch rim with something cleaner, and the 39mm lug-to-lug distance means it sits flat without bridging, which is what compact proportions actually require to work. The T600 calibre is a well-regarded evolution from the ETA 2824 platform, offering straightforward serviceability and solid accuracy in a movement Tudor has made its own. The bracelet adjusts through removable friction pins across the links and micro-adjustment points in the folding clasp itself, so finding a precise fit takes minutes rather than guesswork.
- Reference
- M79580-0001
- Brand
- Tudor
- Collection
- Black Bay
- Case size
- 32mm
- Case thickness
- 10mm
- Lug width
- 17mm
- Case material
- Stainless steel
- Case shape
- Round
- Dial
- Black
- Crystal
- Sapphire
- Movement
- Automatic
- Calibre
- ETA 2824
- Water resistance
- 150m
- Bracelet / strap
- Stainless steel bracelet
- Strap colour
- Silver
- Clasp
- Deployant clasp
- Lume
- Luminous
- Condition
- Pre-owned
- Retailer
- Mappin & Webb
Additional specifications
- Lug-to-lug
- 39mm
- Power reserve
- 38 hours
Learn more about Tudor
Tudor exists because Hans Wilsdorf wanted to sell a Rolex to people who could not afford one. He registered the name in 1926 and relaunched it properly in 1946 as a separate company: Rolex cases, Rolex bracelets, Rolex crowns, but bought-in movements — usually ETA — at a fraction of the price.
For decades this made Tudor the practical choice for organisations buying in bulk. The French Marine Nationale issued Submariners to its divers. The US Navy tested them. Tudor's military history is arguably richer than Rolex's, because navies bought Tudors.
The watches developed their own identity regardless. The snowflake hands fitted to Submariners from 1969, specified by the French navy for legibility, became a signature the brand still uses. The Monte Carlo chronographs of the early 1970s, with their orange and blue dials, look nothing like anything Rolex made.
The brand withdrew from the US market in 1996 and spent a decade in relative obscurity before returning in 2013 with the Heritage Black Bay, which mined the archive rather than chasing modernity. It worked. Tudor now develops its own movements through a partnership with Kenissi, supplies calibres to Breitling, and holds METAS Master Chronometer certification — a technical position it never had when it was simply the affordable Rolex.
- 1926
- Hans Wilsdorf registers the Tudor name.
- 1946
- Montres Tudor SA is established as a separate company.
- 1969
- Snowflake hands appear on Submariners for the French navy.
- 2012
- The Black Bay revives the brand internationally.
- 2015
- The first in-house Tudor calibre is released.
Also in 5 collections
This watch appears in Stainless Steel Watches (2,797), Watches Under 37mm (1,496), Automatic Watches (1,432), Back in Stock (842) and Pre-Owned, Ex-Display & Vintage Watches (250).
What the specifications mean
A mechanical watch for everyday wear.
Strengths
- 150m water resistance covers swimming and watersports
- 32mm wears small and slips under any cuff
- Sapphire crystal, which resists scratching
- Luminous hands and markers for low light
- Sits in the lower half of Tudor's range as we list it
Worth knowing
- 38-hour reserve means winding it after a day off
Compare alternatives
Watches from other brands at a similar price, style and size, so you can see what else your budget can buy.
| Specification | M79580-0001 | L225785897 | WBP2451.FT6200 |
|---|---|---|---|
| Price | £2,150 | £2,350 | £3,080 |
| Case size | 32mm | 29mm | 30mm |
| Water resistance | 150m | 30m | 200m |
| Movement | Automatic | Automatic | Automatic |
| Strap | Stainless steel bracelet | Stainless steel bracelet | Rubber strap |
| Power reserve | 38 hours | 45 hours | 40 hours |
| This watch |
|
|
Your new watch
Frequently asked questions, and things you should know about this watch
Can I swim with it?
Yes. At 150m it is rated for swimming and snorkelling, though not for diving.
Will the glass scratch?
Unlikely. Sapphire is second only to diamond in hardness and shrugs off everyday marking.
Does it need a battery?
No. It is automatic — the motion of your wrist winds it, and there is no cell to replace.
How long does it run for when it's not worn?
About 38 hours fully wound — so it will usually stop if you leave it off overnight.
What size strap does it take?
17mm. Any strap of that width will fit, and on most modern watches quick-release bars make the swap a two-minute job with no tools.
Will it fit my wrist?
Lug-to-lug is 39mm, which suits wrists from roughly 15cm (6 inches) upward.
Lug-to-lug decides fit more than case diameter does.
Is it a men's or women's watch?
Listed as unisex, and at this size it suits any wrist that takes the dimensions.
Cheapest place to buy
Mappin & Webb at £2,150, pre-owned. No UK retailer we track lists this reference new.
Is this available new?
Not from the UK retailers we track. This reference is listed as pre-owned only, at £2,150 from Mappin & Webb. A pre-owned watch has been worn, and is normally sold under the retailer’s own warranty rather than the manufacturer’s.
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