Strap for Portugieser Chronograph Red Gold / Blue / Boutique Edition

The lug width of the Portugieser IW3716-14 is 20 millimetres. This measurement is the historical standard of the Portugieser family and can be verified by measuring the space between the two lateral lugs of the case. Compatibility with aftermarket straps is guaranteed provided the strap is manufactured for the 20mm lug width specification.

For the Portugieser IW3716-14 in red gold, the most suitable straps are alligator in burgundy or cognac brown tones (for formal contexts) and calf leather with vegetable tanning in medium-light brown (for elegant daily wear). Shell cordovan in dark brown is an excellent choice for those seeking greater structural rigidity and evolving patina. The choice depends on the desired colour coordination and the intended use of the timepiece.

Changing the Portugieser strap requires the use of a spring bar removal tool. Insert the tip of the tool into the small lateral hole of the case, near the lower lug, and apply leverage to compress the spring inside the pin. Once the spring is compressed, the pin retracts and the old strap can be removed. The new strap is installed by reversing the procedure, ensuring the pin is fully inserted and locked securely.

Yes, any strap manufactured for the 20mm lug width specification is compatible with the Portugieser IW3716-14, provided the thickness of the section that fits into the lug meets the standard (typically between 2.5 and 3.2mm). The artisanal straps offered by MilanoStraps, crafted in premium materials such as alligator, vegetable-tanned calf and shell cordovan, are fully compatible and provide a quality alternative to OEM IWC straps.

The lifespan of a leather strap depends on the intensity of use and the material chosen. A quality alligator strap, worn daily, maintains full functionality for 3 to 5 years. Vegetable-tanned calf leather tends to last slightly less, but develops a patina appreciated by enthusiasts. Shell cordovan, being denser and more resistant, can exceed 6-7 years of intensive use. Stitching replacement is always possible at specialised ateliers, extending the life of the strap.