IWC Portofino Black Dial Automatic Leather Strap 43mm Men's Watch

The IWC Portofino IW391029 delivers chronograph precision in a stainless steel case with a black dial and automatic movement. Engineered for accurate elapsed-time measurement at 43.00 mm, it pairs sport-driven function with the brand's signature design language. A worthy addition to any serious collection — engineered to be inherited, not replaced.

Precision Timing, Engineered In

At the heart of this Portofino reference is a chronograph movement built for accurate elapsed-time measurement — whether you're timing laps, intervals, or just the perfect espresso pour. The sapphire crystal stands up to daily wear, and the dial architecture is laid out for quick legibility under pressure. It's the kind of watch that turns ordinary timing into a precise ritual.

Key Features at a Glance

• Automatic Movement: Self-winding mechanical precision — no battery, no compromise.
• Stainless Steel Case: Durable construction designed to age beautifully at 43.00 mm.
• Black Dial: Distinctive colour with carefully considered indices for at-a-glance legibility.
• Sapphire Crystal: Scratch-resistant clarity that protects the dial for decades.
• 30m Water Resistance: Sealed against everyday splashes and accidental exposure.
• Power Reserve: Up to 44 Hours of autonomy off the wrist — built to outlast your weekend.
• Leather Strap: Comfort-fit leather for all-day wear.

Engineered for those who time their lives by the second — order your IWC now.

Full Technical Specifications

Avoid Water Contact: Most luxury watches are water-resistant but not waterproof. Remove your watch before swimming, showering, or washing hands in hot water.

Clean Gently: Use a soft, damp cloth to wipe the case and strap. Avoid harsh soaps, detergents, or chemicals.

Leather Straps: Keep leather straps dry and away from moisture to prevent discoloration and damage. Use a soft leather conditioner occasionally.

Metal & Stainless Steel Straps: Wipe with a microfiber cloth. For deeper cleaning, use lukewarm water and a soft brush, then dry immediately.

Avoid Extreme Conditions: Keep your watch away from extreme heat, direct sunlight for long periods, or strong magnetic fields.

Storage: Store in a cool, dry place or a watch box. Avoid stacking multiple watches together to prevent scratches.

Battery & Mechanical Care: For quartz watches, replace batteries promptly. For automatic or mechanical watches, wind regularly and service every 3–5 years.

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Worldwide Delivery: 2-5 Business Days

Orders processed within 24–48 hours.