Strap for Pilot's Watch Doppelchronograph Stainless Steel / Black / Italian / Strap

The lug width of the IWC Pilot IW3713-06 is 21mm. This measurement is taken between the internal attachment points of the case lugs. It is essential to verify this measurement before ordering a strap, as even a 0.5mm discrepancy will compromise the correct fit of the strap to the lugs.

For the IW3713-06, authentic alligator leather with vegetable tanning offers the ideal balance between formality and functionality. The regular grain of belly-grade alligator does not compete visually with the case geometry, while the material structure guarantees rigidity and progressive adaptation to the wrist. For humid work environments, NATO or ballistic nylon straps remain faithful to the instrument heritage of the watch.

Strap replacement requires a spring bar tool. Insert the tip of the tool into the access hole beneath the lug to compress the internal spring of the pin, then extract the pin. Repeat from the other lug, then insert the new strap and reinsert the pins until the locking click is heard. Always verify that both pins are fully inserted before wearing the watch.

Yes, any strap with a 21mm lug width is compatible with the IW3713-06. Ensure that the strap is constructed with a consistent 21mm width throughout its entire length to guarantee uniform fit to the lugs and correct pressure distribution on the case.

A quality leather strap (alligator or calf with vegetable tanning) offers a lifespan of 3-5 years if worn regularly. Longevity depends on UV exposure, ambient humidity, and maintenance frequency. Periodically rotating the strap with others and applying leather conditioner once every 6 months significantly extends durability and allows natural patina development.