IWC · Portofino
Strap for Portofino Hand-Wound Eight Days Stainless Steel / Blue
Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
18mm
Lug width18 mm
Case diameter45 mm
ReferenceIW5101-06 (aka: 5101-06, IW510106)
FamilyPortofino
MovementIWC caliber 59210 hours, minutes, small seconds | date | power reserve indicator
Year2011
CaseStainless Steel
Straps for the Portofino IW5101-06 (aka: 5101-06, IW510106)
Selected for the 18 mm lug width
Hammered Calfskin Strap Light Blue€98
Vintage Brown Calfskin Strap — Natural Patina€98
Hammered Pink Strap with Ecru Stitching€98
Hammered Yellow Strap with Ecru Stitching€98
Grey Hammered Leather Strap with Ecru Stitching€98
Swift Red Leather Strap€120
The Portofino IW5101-06 (aka: 5101-06, IW510106), seen from the bench
The IWC Portofino IW5101-06 is a stainless steel model with a 45mm case and 18mm lug width, featuring the in-house caliber 59210 automatic movement with 46-hour power reserve. The dial displays hours, minutes, small seconds at 6, date window, and power reserve indicator, with Dauphine indices and stylus hands. Water-resistant to 60 meters, this classic Portofino collection timepiece emphasizes essential functions over complications, with a transparent caseback revealing the movement.
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