IWC · Big Pilot
Strap for Big Pilot's Watch Stainless Steel / Silver / Las Vegas
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 IW5010-14 (aka: IW501014)
Selected for the 22 mm lug width · workshop selection
Novonappa Black Military Style Strap for IWC Pilot€142
Hammered calfskin strap in cuoio€98
Hammered Yellow Strap with Ecru Stitching€98
Black Calfskin Rally Watch Strap – Handmade in Milan€110
Millenium Cognac Alligator Strap€195
The Big Pilot IW5010-14 (aka: IW501014), seen from the bench
Frequently asked questions
What is the lug width of the IWC Big Pilot IW5010-14?
The lug width of the IWC Big Pilot IW5010-14 is 22mm. This measurement is specific to this model and is essential when selecting a compatible strap. Measuring the space between the lug attachment pins on the case back ensures proper fitment.
What is the best strap for the Big Pilot IW5010-14?
Strap selection depends on intended use: for formal wear, genuine alligator with characteristic pitting offers ideal visual contrast; for daily wear, vegetable-tanned calf leather develops patina over time; for sports and practicality, NATO or FKM rubber ensures lightness and quick changeover. Casati Milano atelier recommends Louisiana alligator or vegetable-tanned calf for optimal balance with the Big Pilot's proportions.
How do you change the strap on an IWC Big Pilot IW5010-14?
Straps on the Big Pilot are changed via removable pins. Use a dedicated strap-change tool to extract the pins from the lugs, remove the old strap, then insert the new strap by aligning the lug attachments with the pins. Ensure you do not force the fitment; the pins should slide smoothly into the 22mm diameter holes. Alternatively, Casati Milano offers professional strap-change service by appointment.
Is an aftermarket strap compatible with the Big Pilot IW5010-14?
Yes, any strap or deployante with a 22mm lug width is mechanically compatible with the IW5010-14. On milanostraps.it you will find a comprehensive selection of 22mm straps: alligator, calf, vegetable-tanned leather, and NATO. Always verify that your chosen strap is labelled 22mm to avoid installation errors.
How long does a leather strap last on the Big Pilot?
Leather strap longevity depends on usage patterns and tanning method. Vegetable-tanned calf, with regular care (monthly cleaning and bi-annual conditioning), can last 3–5 years of daily wear. Alligator, being denser fibre, resists 4–6 years. Casati Milano warrants all handcrafted straps for 18 months, with stitch replacement service available if required.
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
