The Tudor Pelagos FXD Alinghi Red Bull Racing collaboration is two watches, not one: a 42 mm time-only model and a 43 mm chronograph. The smaller model is reference 25707KN and uses a single-piece, 22 mm fabric strap attached to fixed bars. Tudor publishes the sizes and specifications, but not wrist-fit measurements, so any conclusion about how either wears on a particular wrist is an informed inference—not a hands-on fit assessment.
Which Tudor watch is the Alinghi Red Bull Racing watch?
Tudor introduced two Pelagos FXD models for its Alinghi Red Bull Racing partnership: a time-only watch and a chronograph. Tudor says the partnership began in 2022; its launch video announcing the pair is dated June 29, 2023. In the video, Tudor describes them as “a chronograph and a time-only watch.”
| # | Preview | Product | Price | |
|---|---|---|---|---|
| 1 |
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Tudor Pelagos FXD Automatic Chronometer Blue Dial Men's Watch m25707kn-0001 | $4,249.99 | Buy on Amazon |
| 2 |
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TUDOR Pelagos FXD CHRONO | $4,879.99 | Buy on Amazon |
| 3 |
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Tudor Pelagos Chronometer Black Dial Titanium Men's Watch M25600TN-0001 | $5,399.99 | Buy on Amazon |
The time-only watch is reference 25707KN in Tudor’s press-room material. It has a 42 mm black carbon-composite case, blue dial, fixed strap bars and a stated 200 m water resistance. The chronograph is the 43 mm option. Those distinctions matter: a shared Pelagos FXD family name does not mean the two watches have identical dimensions or specifications.
How do the two editions compare?
| Feature | 42 mm time-only | 43 mm chronograph |
|---|---|---|
| Function | Time-only | Chronograph |
| Case diameter | 42 mm | 43 mm |
| Movement | MT5602 automatic, COSC-certified; approximately 70-hour power reserve | MT5813 chronograph, COSC-certified, with silicon balance spring and 70-hour power reserve |
| Water resistance | 200 m, stated in Tudor’s press-room specification for reference 25707KN | Not stated in the retrieved Alinghi product-page material |
| Price shown by Tudor | €4,060 on Tudor’s Italian product page when accessed in 2026; CHF 3,500 in Tudor’s 2023 press-room material | €5,550 on Tudor’s Italian product page when accessed in 2026 |
The price figures are regional manufacturer listings, not a single global price or a statement of current availability. The retrieved source material does not give a comparable CHF figure for the chronograph.
#1 Best Overall
- Featuring a Blue Band, Black Case, Scratch Resistant Sapphire Crystal
- Display Type: Analog
- Item Shape: Round
What does the Alinghi design look like?
Tudor describes both cases as black carbon composite and the matte blue dials as matching the color of the team’s AC75 hull. The time-only model has a red-tipped seconds hand; the chronograph adds red detailing around its counters. Tudor also describes the bezel as bidirectional. These are the manufacturer’s design descriptions, not independent assessments of finish or performance.
What strap does the Pelagos FXD Alinghi use?
Tudor specifies a 22 mm, single-piece Team Blue jacquard fabric strap with red accents, a titanium D buckle and hook-and-loop fastening. The case’s fixed strap bars are part of the attachment system, so do not assume a conventional two-piece strap will fit. Check the exact reference and confirm compatibility with the watch or accessory seller before buying a replacement.
Rank #2
- Tudor Pelagos FXD Chronograph Cycling Automatic Black Dial Men's M25827KN-0001
How might the sizes wear?
The 42 mm time-only model is one millimeter smaller in diameter than the 43 mm chronograph, but that number alone cannot establish which will feel better. The published material confirms case diameter and a 22 mm strap width; it does not provide lug-to-lug length, wrist-size guidance or a measured on-wrist fit assessment. The chronograph also adds its chronograph function and counter layout, so diameter is not the only difference in how the watches may present on the wrist.
As a general inference, someone deciding between them should consider the case diameter alongside their wrist, preferred visual footprint and whether they want a chronograph. Neither model can be called universally comfortable or oversized from the available specifications. Trying the specific watch on is the most reliable way to judge fit.
Rank #3
- Tudor Pelagos Chronometer Black Dial Titanium Men's Watch M25600TN-0001
Why specifications from another Pelagos FXD Chrono can mislead
Do not transfer specifications from a different Pelagos FXD Chrono just because the family name is similar. Tudor’s current page for reference M25827KN-0001 lists 100 m water resistance and a fixed bezel for that separate model. Those figures are not established for the Alinghi chronograph by the retrieved Alinghi material; for that edition, verify the exact reference and its official specification before relying on a water-resistance or bezel claim.
Sources: Tudor’s Italian Alinghi Red Bull Racing product page; Tudor press-room material; Tudor’s official launch video; Tudor’s page for the separate M25827KN-0001 model.
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