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Tudor Pelagos FXD Black — 25717N

Tudor

Pelagos FXD Black

25717N

The Pelagos FXD Black — titanium discipline for the modern diver.

Estimated market value
$3,100
Confidence: Moderate

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Overview

The Tudor Pelagos FXD Black (ref. 25717N) is a purpose-built dive watch that distills the Pelagos line's professional ethos into a stripped-back, matte-black package. Its 42 mm titanium case is fitted with fixed strap bars — a detail borrowed from military and aviation watchmaking — eliminating the possibility of strap release under pressure. Introduced in 2023, it represents Tudor's most operationally focused interpretation of the Pelagos to date.

History

The Pelagos line was established by Tudor as a high-specification dive watch series built around lightweight titanium construction and in-house movements, positioning it as a serious tool watch rather than a lifestyle piece. The FXD designation — denoting fixed strap bars — was first introduced on Tudor models developed in connection with French naval aviation, and the concept was subsequently extended to the broader Pelagos family. The 25717N arrived in 2023 as part of this FXD expansion, bringing the blacked-out aesthetic to the collection. Its matte black dial and restrained finishing reflect a clear preference for function over ornamentation.

Notable points

  • The 42 mm case is crafted from lightweight titanium, reducing wrist fatigue during extended wear in demanding environments.
  • Fixed strap bars replace the standard spring bars, preventing accidental strap detachment — a feature with roots in professional military and diving use.
  • The matte black dial minimises unwanted light reflection, a practical consideration in low-visibility underwater conditions.
  • Power is supplied by Tudor's in-house Calibre MT5602, a COSC-certified movement with a silicon balance spring and a 70-hour power reserve.
  • Introduced in 2023, the 25717N is among the most recent additions to the Pelagos family, extending the FXD concept into a fully blacked-out configuration.

Specifications

Brand
Tudor
Collection
Pelagos
Reference
25717N
Years of production
2023 – present
Case
42mm Titanium, fixed strap bars
Case material
Titanium
Case diameter
42 mm
Movement
Cal. MT5602
Crystal
Sapphire
Dial
Matte black
Bezel
Unidirectional titanium dive
Bracelet / strap
Black fabric strap
Water resistance
200 m
Power reserve
70 h
Type
Diver
Worn as
Men's
Also known as
FXD Black, US Navy FXD, ペラゴス, 领潜

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