Brand history

IWC was founded in 1868 by American watchmaker Florentine Ariosto Jones, who combined Swiss precision with an American engineering approach. The brand quickly became known for its clear, functional watches—from the renowned Pilots to the elegant Portugiesers. The Portofino embodies its Italian soul: classic, serene, and sophisticated, inspired by the coastal lifestyle of the Riviera.

Model description

The Portofino Hand-Wound Eight Days Ref. IW510103 is a watch designed to celebrate the daily ritual of winding. The 45mm steel case is impressive, yet thanks to its sleek lines and minimalist dial, it retains the elegance and lightness typical of this collection. The black dial is clean and harmonious, and the delicately shimmering indices give it a classic charm.

At 3 o'clock is a date window, and at 9 o'clock is a subtle small seconds counter. However, the most distinctive feature is the power reserve indicator at 8 o'clock, which displays how many of the eight days of autonomy remain. This detail not only adorns but truly enhances the experience of experiencing mechanical art.

This is a watch for those who appreciate quiet, understated elegance – but also appreciate the impressive technology hidden inside.

Characteristics

The 45mm diameter steel case has a balanced thickness of approximately 12mm , making it comfortable to wear despite its large size. The slightly domed sapphire crystal with anti-reflective coating emphasizes the classic character of the model.

Powering the watch is the in-house IWC caliber 59210 , a hand-wound movement with an impressive 8-day (192-hour) power reserve .
• Frequency: 28,800 vibrations/h
• Number of stones: 30
• Functions: small seconds, date, power reserve indicator on the dial

The movement is visible through the transparent caseback—a true pleasure to observe its architecture. The luxurious Santoni alligator leather strap adds the sense of refined craftsmanship for which the Portofino collection is renowned. Water resistance of 30 meters protects the watch from everyday accidental splashes.

What you get with ReTime

• Elegant ReTime branded box
• Certificate of Authenticity
• 12-month ReTime warranty on the mechanism
• Premium gift packaging

ReTime Insight

The Portofino Eight Days is a watch for those who love ritual. It's like a peaceful morning in the Ligurian hills—elegant, refined, and self-aware. Mechanical poetry, captured in pure Italian form.