IWC · Portugieser
Strap for Portuguese Yacht Club Chronograph Red Gold Amsterdam Boutique
Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
20mm
Lug width20 mm
Case diameter46 mm
ReferenceIW3902-09 ADAM
FamilyPortugieser
MovementIWC caliber 89361
Hours, Minutes, Small Seconds | Date | Chronograph, Flyback
CaseRed Gold
Straps for the Portugieser IW3902-09 ADAM
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 IW3902-09 ADAM, seen from the bench
The Portugieser IW3902-09 ADAM represents the contemporary evolution of an icon born in 1939. This reference features a red gold case measuring 45.50mm with a 20mm lug width, housing the IWC caliber 89361 automatic movement with vertical-escapement chronograph and flyback function. The watch displays hours, minutes, small seconds, and date, combining legibility and functionality without compromise.
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