IWC · Pilot
Strap for Pilot's Watch Doppelchronograph Yellow Gold / Black / German / Strap
Takes 21 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Pilot IW3711-13 (aka: 3711-13, IW371113)
Selected for the 21 mm lug width · workshop selection
Novonappa Black Strap — IWC Pilot Style€149
Hammered Calfskin Watch Strap Green with Ecru Stitching€98
Hammered Yellow Strap with Ecru Stitching€98
Black and Yellow Driver Leather Strap€130
Red Alligator Strap Water Resistant€270
The Pilot IW3711-13 (aka: 3711-13, IW371113), seen from the bench
Frequently asked questions
What is the lug width of the IWC Pilot IW3711-13?
The lug width of the Pilot IW3711-13 is 21mm, measured from the inner edge of the lug to the inner edge on the opposite side. This dimension allows compatibility with robust leather or fabric straps. Use a digital callipers positioned perpendicularly across the lug to verify accurate measurement.
What is the best strap choice for the IWC Pilot IW3711-13 in yellow gold?
Alligator leather represents the most elegant choice: its natural grain and developing patina create a sophisticated dialogue with yellow gold. Dark brown alligator offers maximum contrast with the black dial, whilst cognac emphasises overall chromatic harmony. For aviation heritage, a dark grey NATO strap amplifies the instrument character.
How do I change the strap on my IWC Pilot IW3711-13?
Straps on the Pilot IW3711-13 are changed via spring bars—the pins connecting the strap to the lugs. Position the watch on a padded cushion, use a dedicated spring bar tool to release the clasps, remove the bar, extract the old strap and insert the new one. Verify that spring bars are fully secured before wearing the watch.
Are aftermarket 21mm straps compatible with the Pilot IW3711-13?
Yes, any strap with a 21mm lug width is compatible with the Pilot IW3711-13. Ensure the strap thickness (typically 4-5mm) allows proper seating in the lugs. Custom-made straps with personalised deployante clasp offer superior aesthetic and functional results compared to universal models.
How long does a leather strap last on the Pilot IW3711-13?
Strap longevity depends on leather type and tanning method. Alligator and shell cordovan offer superior durability, with an average lifespan of 3-5 years in daily use. Vegetable-tanned calf has a typical lifespan of 2-3 years. Humidity levels, frequency of use and maintenance practices (cleaning and occasional conditioning) significantly affect durability.
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
