The Pelagos LHD is the one Tudor built backwards on purpose. Crown at 9 o'clock, helium valve at 3, the whole case mirrored so left-handed people can wear a proper saturation diver on the right wrist.
It is also — and this is the part that matters for a strap — the only warm Pelagos Tudor has made. Everything else in the line is white lume on a black dial, cold and clinical. The LHD is not, and it changes the answer completely.
Strap size and fit guide
Your Tudor Pelagos LHD (Ref. M25610TNL) has a 42mm case and a 22mm lug width, on standard spring bars, with a lug-to-lug of 50mm.
Order from the Pelagos 42 range on Helvetus. The LHD shares its case with the standard 42mm Pelagos in every dimension that matters for a strap, so those straps are cut correctly for it. The only choice you have to make is the colour.
One warning worth taking seriously: you will find this watch listed at 20mm. At least one dealer selling actual LHDs publishes a 20mm lug width on the listing page. It is wrong. This is a 42mm Pelagos case and it takes 22mm — Tudor's own specification says so, and every in-hand measurement of a physical example agrees. If you order from a dealer's spec sheet rather than the manufacturer's, you will end up with a strap that rattles.
And the usual Pelagos family caution applies:
| Watch | Case | Strap fitting |
|---|---|---|
| Pelagos LHD | 42mm | 22mm, standard spring bars |
| Pelagos 42 (25500 / 25600) | 42mm | 22mm, standard spring bars |
| Pelagos 39 | 39mm | 21mm |
| Pelagos FXD | 42mm | 22mm, but the bars are fixed into the case |
Checklist: 42mm, 22mm, standard spring bars, order from the Pelagos 42 range.
Why the standard Pelagos strap advice does not apply here
Every other Pelagos is a study in restraint. Matte black ceramic bezel, black dial, white luminous material, white printing, satin titanium. No colour anywhere. That is why the usual advice for a Pelagos is that you can put almost anything on it — the watch supplies nothing of its own, so a loud strap reads as deliberate rather than as a clash.
The LHD breaks that rule in three places, and all three are warm.
The bezel graduations are filled with a beige luminescent coating rather than white. The dial carries a "roulette" date wheel — even-numbered days printed in red, odd in black — a vintage-inspired detail lifted from mid-century watches. And the Pelagos signature on the dial is printed in red.
Put those together and you have a titanium diver with cream and red on it. People who have handled the LHD next to a standard Pelagos describe exactly this: the warmer tones heat up what was previously a rather clinical dial.
Which flips the advice. On this Pelagos, echo what is already there rather than inventing something new. Cool colours — grey, steel blue, anything that would disappear against titanium anyway — now also fight the beige lume. Warm colours have two specific things to reference.
The other reason a strap earns its place is the same as on any Pelagos, so I will keep it short: Tudor's patented self-adjusting extension clasp is a clever piece of engineering that a lot of owners find substantial under the wrist, and a strap removes the question. Tudor supplies a complimentary black rubber strap with an extra diver's extension in the box, which tells you the brand expects this watch to come off the bracelet. It also tells you something more useful — you already own the black one, so your next strap should probably not be black.
The best strap colours for the Pelagos LHD
Red — the hero, and only on this Pelagos. On a standard Pelagos a red strap would be a costume. On the LHD it is the only colour on the list that references something the watch already has: the red date numerals at 3 o'clock and the red Pelagos text on the dial. Put the two together and the red stops looking like a choice and starts looking like part of the design — the strap picks up a detail most people never notice until it is pointed out, and then they cannot unsee it. It also does something no other colour manages here: it makes a grey titanium watch look genuinely characterful rather than technical. If you own the LHD specifically because it is the odd one, this is the strap for it. Red Tudor Pelagos 42 Rubber Strap
Orange — the warm middle. Orange sits between the beige lume and the red print, which is a narrow gap and exactly where this strap lands. It is warmer and louder than the watch is on its own, but because both reference points are already warm it reads as continuous rather than added. It is also the most practical loud colour on a dive watch — orange is what dive equipment is made in, for the obvious reason — so on a 500m watch it never looks like a fashion decision. Good with tan, olive and anything you would wear on a boat. Orange Tudor Pelagos 42 Rubber Strap
Black — the one that lets the details lead. The neutral answer, and on this reference it works differently than it does on the standard Pelagos. There, black is a continuation of an already-black watch. Here, it strips out everything else so that the beige lume and the red date become the only colour on the piece — which is the most elegant way to wear an LHD and the easiest to live with. If you only buy one strap and the red feels like too much, buy this and let the dial do the talking. Black Tudor Pelagos 42 Rubber Strap
Navy Blue — the deliberate opposite. Included because some people buy the LHD and want it to look like a Pelagos rather than a curiosity. Navy is cool where the watch is warm, and the effect is to push the beige and the red into the background so the watch reads as pure tool again. Blue has been Tudor's diving colour since the 1960s, so it is not an odd choice — it is just the one that argues with the dial rather than agreeing with it. Know that going in and it is a very good strap. Navy Blue Tudor Pelagos 42 Rubber Strap
The full range for this case is here: All Tudor Pelagos 42 Straps
Getting the order right
Three things: 42mm, 22mm, and standard spring bars — order from the Pelagos 42 range and the fit is handled. Ignore any listing that tells you 20mm.
If you own other Tudors:
- Best Straps for Tudor Pelagos FXD 25707B — also 42mm and 22mm, but the bars are fixed into the case so these straps are not interchangeable
- Tudor Black Bay Ceramic 79210CNU Strap Guide — 41mm, also 22mm
- Tudor Black Bay Bronze 79250BA Strap Guide — 43mm, 23mm
FAQ
What lug width is the Tudor Pelagos LHD? 22mm, on a 42mm case with standard spring bars. Some dealer listings state 20mm — that is incorrect.
Does the Pelagos LHD use the same straps as the standard Pelagos 42? Yes. Same case, same 22mm, same spring bars. Order from the Pelagos 42 range.
Will a Pelagos FXD strap fit it? No. The FXD has bars machined into the case and takes single-piece straps only. The LHD uses ordinary spring bars.
Why does the LHD suit different colours to other Pelagos models? Because it is the only one with warm elements — beige luminous material on the bezel, red even-numbered dates on the roulette date wheel, and red text on the dial. Warm straps reference those; on any other Pelagos there would be nothing to reference.
Does it come with a strap from Tudor? Yes — a complimentary black rubber strap with an extra diver's extension piece, alongside the titanium bracelet. Which is a good reason to make your next one something other than black.
Final thoughts
The LHD is the most characterful watch in the Pelagos line and the one most likely to sit in a drawer, because a numbered edition with a mirrored case feels like something you should look after. It is rated to 500m. It is made of titanium. It was built to be used, and the strap is what gets it out of the box.
Helvetus straps for the Pelagos 42 case are cut for this exact geometry, so there are no gaps at the lugs and no guesswork. Every rubber strap carries a lifetime warranty, shipping is free worldwide with no import costs, and more than 50,000 customers have already made the swap.
