IWC · Big Pilot
Strap for Big Pilot's Watch AMG G 63 Armor Gold
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 IW5012-01 (aka: IW501201)
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 IW5012-01 (aka: IW501201), seen from the bench
Frequently asked questions
What is the correct lug width for the IWC Big Pilot IW5012-01?
The lug width of the Big Pilot IW5012-01 is precisely 22 millimetres. This measurement is the standard across the entire Big Pilot family and ensures harmonious proportions with the 46.2 mm case diameter. To verify compatibility, measure the distance between the case lugs using a digital calliper, positioning it from inner edge to inner edge.
Which strap material is most suitable for the IWC Big Pilot IW5012-01 in Armor Gold?
For the Big Pilot in Armor Gold, we recommend straps in vegetable-tanned calf or aniline calf with matte finishes, creating a sophisticated contrast with the warm tone of the alloy. American alligator offers a more formal choice, whilst shell cordovan delivers extraordinary aged patina. For a pilot's watch, avoid excessively polished finishes: the strap should support, not compete with the case.
How do you change the strap on an IWC Big Pilot?
Strap replacement is performed using a spring bar tool or small smooth-edged stick. Position the watch with the lug facing you, locate the small hole on the inner shoulder of the case, gently insert the tool to compress the spring bar, then extract the old strap. Repeat for the opposite lug. Insert the new strap by aligning the holes with the bars and press until the fastening click is felt.
Is a quality aftermarket strap compatible with the Big Pilot IW5012-01?
Yes, completely. Any strap with a 22 mm lug width is compatible with the Big Pilot, regardless of manufacturer. Quality depends on materials (leather, thickness, workmanship) and bar finishing. Certified artisanal straps guarantee superior structural and aesthetic compatibility compared to standard OEM options, as they are customisable in leather, colour and constructive details.
How long does a leather strap last on the IWC Big Pilot?
Durability depends on material, usage and maintenance. A quality calf strap, with vegetable tanning, typically lasts 3–5 years under moderate daily use conditions. Shell cordovan, thanks to its intrinsic density, can last 7–10 years. Rotating between multiple straps and protecting from humid environments significantly extend useful life. Artisanal straps in Tuscan leather with oily treatment offer fascinating aged patina even after 5–7 years of use.
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
