Tudor · Pelagos
Strap for Tudor Pelagos M25827KNRS
Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Pelagos M25827KNRS
Selected for the 22 mm lug width · workshop selection
Natural Calfskin NATO Strap€80
Black Calfskin NATO Strap 20mm€80
Grand Cavalier Military Brown Leather Strap€120
Dark Brown Calfskin Military Strap€80
Vintage Black Calfskin Leather Strap€80
The Pelagos M25827KNRS, seen from the bench
Frequently asked questions
What is the lug width of the Tudor Pelagos M25827KNRS?
The lug width of the Tudor Pelagos M25827KNRS is 22mm. This measurement is calculated from the inner shoulder of one lug to the other, the space where the strap inserts. It is essential to use straps with exactly 22mm width to ensure proper seating in the anchor points and prevent micro-movements during wear.
What is the best strap for the Tudor Pelagos M25827KNRS?
The best strap depends on the use case. For formal occasions, alligator offers elegance and natural patina development over time. For daily and sports use, vegetable-tanned calf combines comfort, wrist adaptation, and salt water resistance. For regular diving or extreme environments, Rubber NATO or FKM rubber maintains elasticity at critical temperatures and does not degrade when in contact with chlorine or salt.
How do you change the strap on the Tudor Pelagos M25827KNRS?
To change the strap, remove the lug pins (spring bars) using a spring bar tool. Gently lift the pin from its seat, remove the old strap, and position the new one by aligning the holes with the anchor points. It is important to verify that the new strap has a 22mm lug width and adequate thickness to maintain correct lateral tension during use.
Is the Tudor Pelagos M25827KNRS compatible with quality aftermarket straps?
Yes, the M25827KNRS is compatible with quality aftermarket straps provided they respect the 22mm lug width and have robust construction. Straps in alligator, vegetable-tanned calf, shell cordovan, or FKM rubber can integrate perfectly with the titanium case, provided the thickness is proportionate (typically 3.5-4.5mm) to prevent lateral oscillation.
What is the typical lifespan of a leather strap on the Tudor Pelagos M25827KNRS?
A quality leather strap (alligator or calf) mounted on an M25827KNRS typically lasts 3-5 years of regular daily use, depending on sun exposure, salt water humidity, and maintenance frequency. Vegetable tanning develops patina that can be rejuvenated with periodic conditioning, extending useful life to 7-8 years. Monitoring the wear of the lug pins is critical: if the strap begins to oscillate laterally, it is time to replace the strap even if the leather still appears intact.
The next step
The right strap isn't chosen. It is built, together.
From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only

