IWC Portofino Chronograph 39 IW391404 Green Dial Stainless Steel Watch (Calibre 79350)
TL;DR: The IWC Portofino Chronograph IW391404 is a compact 39mm stainless steel chronograph with a rich green dial, powered by the automatic Calibre 79350, which offers a 44-hour power reserve. It’s paired with a green Mississippiensis alligator strap, offers 30m water resistance, and features a chronograph with a small hacking seconds display at 6 o’clock.
The IWC Portofino Green Dial 39mm Chronograph (IW391404) is a dressy chronograph that doesn’t try to look like a sports watch. The 39mm case and 12.7mm thickness make it easy to wear, especially if you want a chronograph that stays refined under a cuff. The standout here is the deep green dial, which adds personality without turning flashy, and the silver-toned hands and hour markers keep the look clean and legible.
Inside is the IWC Calibre 79350, an automatic self-winding movement offering around 44 hours of power reserve. The watch delivers straightforward functionality: a chronograph for minutes and seconds, plus a small hacking seconds display at 6 o’clock for more precise setting. Water resistance is 3 bar (30 meters), which is fine for daily splashes but not for swimming. Finished on a green Mississippiensis alligator leather strap, it’s a strong choice if you want a modern color twist while keeping the Portofino’s classic DNA.
Specifications
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Brand: IWC Schaffhausen
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Collection: Portofino
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Model: Portofino Chronograph 39
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Reference: IW391404
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Case Material: Stainless Steel
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Case Diameter: 39 mm
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Case Thickness: 12.7 mm
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Dial: Green
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Hands/Markers: Silver-toned
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Movement: Automatic (self-winding)
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Caliber: 79350
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Power Reserve: 44 hours
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Water Resistance: 3 bar / 30 meters
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Strap: Green Mississippiensis alligator leather strap
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Functions: Chronograph (minutes and seconds), small hacking seconds at 6 o’clock
Key Features
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Wearable 39mm size that keeps the chronograph look refined, not bulky
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Rich green dial that adds character while staying elegant
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Calibre 79350 automatic movement with a practical 44-hour reserve
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Classic Portofino-style dial layout with clean silver-toned hands and markers
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Chronograph function for timing with minutes and seconds
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Hacking small seconds at 6 o’clock for more precise time setting
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Green alligator strap for a premium finish and cohesive dial-to-strap styling
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30m water resistance suitable for daily wear (not swimming)
