IWC · Big Pilot
Strap for Big Pilot's Watch Right-Hander
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 Big Pilot IW5010-12 (aka: IW501012)
Selected for the 22 mm lug width · workshop selection
Novonappa Black Military Style Strap for IWC Pilot€155
Novonappa Brown Military Style IWC Pilot Strap€155
Natural Calfskin NATO Strap€80
Black Calfskin NATO Strap 20mm€80
Grand Cavalier Military Brown Leather Strap€120
The Big Pilot IW5010-12 (aka: IW501012), seen from the bench
Frequently asked questions
What is the lug width of the IWC Big Pilot IW5010-12?
The IWC Big Pilot IW5010-12 features a standard lug width of 22 millimetres. This dimension is rigorously standardised by IWC to ensure compatibility with certified aftermarket straps whilst maintaining the correct ergonomic proportions between the 46.2mm case and the strap itself.
Which strap is most recommended for the IWC Big Pilot IW5010-12?
For the IW5010-12, we recommend an alligator strap with vegetable tanning or shell cordovan: both materials enhance the vintage vocation of the timepiece and develop natural patina that complements the steel case's ageing. Alligator offers classical elegance, whilst cordovan guarantees superior durability. For a more sporting profile, a NATO strap in cotton represents an authentic alternative to the model's aviation heritage.
How do you correctly change the strap on the IW5010-12?
Strap replacement requires the use of a specific spring bar tool. Position the watch on a stable surface, locate the two lugs positioned orthogonally to the case, gently insert the tool to compress the lug's internal spring and slide the strap out. The reverse procedure permits installation of the new strap. We recommend operating with care to avoid scratching the case.
Is an aftermarket strap compatible with the IWC Big Pilot IW5010-12?
Yes, any strap with certified 22mm lug width is mechanically compatible with the IW5010-12. However, we recommend verifying the construction quality and materials employed: an artisanal genuine leather strap offers not only superior aesthetic finish but also significantly greater durability compared to low-grade industrial alternatives.
What is the average lifespan of a leather strap for the Big Pilot IW5010-12?
The lifespan of a leather strap depends on the material and frequency of use. Quality artisanal alligator maintains structural integrity for 4-6 years with ordinary maintenance. Shell cordovan, being a denser equine leather, can reach 8-10 years. Environmental factors such as humidity, sun exposure and perspiration accelerate ageing. Annual visual inspection and periodic cleaning with mild soap significantly extend the strap's useful life.
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
