IWC · Portugieser
Strap for Portuguese Chrono-Automatic Stainless Steel / Silver
Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Portugieser IW3714-01 (aka: 3714-01, IW371401)
Selected for the 20 mm lug width · workshop selection
Green Rubberized Alligator Strap with Ecru Tribal Stitching€185
Novonappa Black Strap — IWC Pilot Style€149
Black Alligator Strap with Light Blue Edges€210
Black Alligator Strap with White Edges€210
Millenium Cognac Alligator Strap€270
The Portugieser IW3714-01 (aka: 3714-01, IW371401), seen from the bench
Frequently asked questions
What is the lug width of the IWC Portugieser IW3714-01?
The IWC Portugieser IW3714-01 features a lug width of 20mm, measured perpendicularly between the inner lugs of the case. This dimension enables the use of a wide range of compatible artisanal watch straps.
Which strap is most suitable for the IWC Portugieser IW3714-01?
For the Portugieser chronograph 3714-01, we recommend Nile alligator for aesthetic robustness, shell cordovan for evolving patina, or vegetable-tanned calf for balance between elegance and practicality. Choice depends on use context: formal occasions favour noble tannic leather, daily wear favours soft calf, technical environments suggest FKM rubber.
How do I change the strap on the IW3714-01?
Changing the strap on the Portugieser IW3714-01 requires a spring bar removal tool: position the tip in the small slot visible beside the lug, apply gentle downward pressure to compress the internal spring, then extract the end link. Insert the new strap by aligning the link with the lug and release pressure. The operation is reversible and requires no professional expertise if executed with care.
Can I use an aftermarket compatible strap on the IWC Portugieser IW3714-01?
Yes, it is possible. The IW3714-01 accepts any strap with a 20mm lug width and end link thickness between 1.8mm and 2.5mm. Artisanal compatible straps offer greater personalisation than the original IWC strap, allowing free choice of leather, colour, finish and clasp.
How long does a natural leather strap last on a chronograph like the IW3714-01?
Durability depends on material and usage. Shell cordovan typically lasts 10-15 years with minimal maintenance. Alligator resists 8-12 years. Vegetable-tanned calf has an average life of 5-8 years. FKM rubber exceeds 10 years. Constant humidity and mechanical wrist pressure accelerate wear; periodic maintenance (leather conditioning) significantly extends longevity.
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
