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Tudor Pelagos 42mm Titanium and Stainless Steel M25600TB-0001
Ref. 25600TB
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Stepping up in Tudor's range
The Pelagos arrived in this form as Tudor's declaration that it could build its own engine. Where the original Pelagos ran on a bought-in ETA, the 25600TB introduced the MT5612 — made by Kenissi, Tudor's movement manufacture arm — and brought chronometer certification, a silicon hairspring impervious to magnetic fields, and a 70-hour power reserve that outlasts most weekends without a wind. The dial is genuinely unusual. Rather than sitting flat, it uses a recessed step layout with blocky hour markers set into the inner flange ring itself, giving the face real depth at a glance. The Snowflake hands — angular and deliberately chunky — trace back to Tudor's military Submariner commissions of the 1970s. Lume compound is injected into the ceramic bezel numerals rather than applied over them, so the indices and the bezel read at the same intensity in darkness; blue at depth, which is the last colour the eye loses. The bracelet clasp repays attention once you are wearing the watch regularly. Three fixed micro-adjustment positions handle ordinary sizing, but there is also a spring-loaded dynamic setting that lets the bracelet expand and contract with temperature change or suit compression during a dive — it is not a gimmick, and anyone moving between a wetsuit and a shirt sleeve will use it without thinking about it.
- Reference
- 25600TB
- Brand
- Tudor
- Collection
- Pelagos
- Case size
- 42mm
- Case thickness
- 14.3mm
- Lug width
- 22mm
- Case material
- Titanium
- Case shape
- Round
- Dial
- Blue
- Crystal
- Sapphire
- Bezel
- Unidirectional rotating
- Movement
- Automatic
- Calibre
- MT5612
- Functions
- Date
- Water resistance
- 500m
- Bracelet / strap
- Titanium bracelet
- Strap colour
- Silver
- Clasp
- Folding clasp
- Lume
- Super-LumiNova
- Condition
- Pre-owned
- Retailer
- Mappin & Webb
Additional specifications
- Lug-to-lug
- 50mm
- Power reserve
- 70 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 6 collections
This watch appears in Automatic Watches (1,362), Blue Dial Watches (688), Sports Watches (675), Dive Watches (469), Pre-Owned, Ex-Display & Vintage Watches (235) and Titanium Watches (154).
What the specifications mean
A mechanical watch built to be worn hard and got wet.
Strengths
- 500m water resistance, rated for actual diving
- Sapphire crystal, which resists scratching
- 70-hour reserve survives a weekend off the wrist
- Luminous hands and markers for low light
Worth knowing
- 14.3mm thick, so it will not disappear under a cuff
Compare alternatives
Watches from other brands at a similar price, style and size, so you can see what else your budget can buy.
| Specification | 25600TB | R32150162 | WBP208D.BF0631 |
|---|---|---|---|
| Price | £3,450 | £3,113 | £2,870 |
| Case size | 42mm | 43mm | 43mm |
| Water resistance | 500m | 300m | 300m |
| Movement | Automatic | Automatic | Automatic |
| Strap | Titanium bracelet | Ceramic bracelet | Titanium bracelet |
| Power reserve | 70 hours | 80 hours | 38 hours |
| This watch |
|
|
Your new watch
Frequently asked questions, and things you should know about this watch
Can I swim with it?
Yes. At 500m it is rated for swimming, snorkelling and recreational 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 70 hours fully wound — enough to sit off the wrist over a weekend and still be running.
What size strap does it take?
22mm. 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 50mm, which suits wrists from roughly 16.5cm (6½ inches) upward.
Lug-to-lug decides fit more than case diameter does.
Is it a men's or women's watch?
Listed as men's.
Cheapest place to buy
Mappin & Webb at £3,450, 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 £3,450 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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