Portofino Chronograph Steel IW391027

An exquisite icon of horological mastery, the Portofino Chronograph Steel IW391027 represents the finest tradition of Swiss watchmaking. Crafted by renowned maison IWC Schaffhausen, this distinguished timepiece combines a sculptured Stainless Steel case with a precision-engineered Swiss Mechanical Chronograph Movement, delivering commanding wrist presence and timeless sophistication.

Timepiece Highlights & Technical Specifications

• Maison / Brand: IWC Schaffhausen
• Collection: Portofino
• Model Reference: IW391027
• Case Material: Stainless Steel
• Movement: Swiss Mechanical Chronograph Movement
• Condition: Brand New / 100% Authentic Swiss Luxury Timepiece
• Inclusions: Accompanied by CJ Charles Presentation Gift Box & Certified Documentation

Horological Legacy & Wrist Presence

Celebrated for its racing heritage and high-precision timing complications, this chronograph effortlessly balances sporting utility with boardroom elegance. It is engineered for discerning individuals who appreciate mechanical perfection.

Manufacturer & Technical Details

"The IWC Portofino Chronograph (ref. IW391027) takes its design cues from the 1960s, with elegantly sporty push-buttons and chronograph displays. The stainless steel chronograph watch has a convex sapphire glass and appliqué Roman numerals on its silver-plated dial. It is powered by the tried and tested self-winding 75320 caliber with its 44-hour power reserve and comes with a brown alligator leather strap."

The CJ Charles Jewelers Horology Promise

Serving luxury watch collectors in La Jolla, San Diego and worldwide since 1988, CJ Charles Jewelers is an authorized retailer and specialist in Swiss haute horlogerie. Every pre-owned timepiece is thoroughly inspected, timed on digital vibrograf machines, and certified by our in-house master watchmakers. Your timepiece arrives in our signature luxury gift packaging, backed by complimentary fully insured white-glove shipping and dedicated concierge support.

Specifications above are taken directly from this piece's catalog data.

Complimentary insured shipping on every U.S. order — no minimum, no code. We ship via UPS Ground, FedEx Home Delivery, USPS Priority, fully insured, with signature confirmation on high-value pieces.

Free 30-day returns: unworn pieces in original packaging can be returned within 30 days of delivery for a full refund — we email you a prepaid, insured return label.

Full shipping policy · Full returns policy

Every piece we sell is guaranteed genuine — inspected before dispatch, with serial numbers intact and documentation as described. If any piece were ever proven otherwise, we refund you in full.

Read our Authenticity Promise