The IWC Portofino Chronograph Day-Date IW391002 is a refined blend of classic sophistication and modern functionality. Inspired by the laid-back elegance of the Italian coast, this chronograph offers a timeless design, practical day-date complication, and robust performance—all hallmarks of IWC’s heritage.

Key Features

• Case: 42mm polished stainless steel case with elegant rounded lugs and a slim profile.
• Dial: Deep black dial with silver-tone hands and baton hour markers; three chronograph subdials (12-hour, 30-minute, and small seconds); day and date windows at 3 o’clock.
• Movement: IWC Caliber 75320 automatic movement, 44-hour power reserve, based on Valjoux 7750 for reliability and accuracy.
• Crystal: Domed sapphire crystal with anti-reflective coating for excellent legibility.
• Strap: Black alligator leather strap with stainless steel pin buckle—refined and comfortable.
• Water Resistance: 30 meters – suitable for daily wear, but avoid submersion.
• Caseback: Solid steel with engraved Portofino scenery motif.
• Reference: IW391002

Suitable For

Perfect for gentlemen who appreciate understated elegance with functional chronograph features. Ideal for both business and evening wear, this Portofino offers a balanced presence on the wrist and timeless charm for watch collectors and professionals alike.