IWC

Portuguese Chronograph Automatic Steel Silver Dial

Ref. IW371604

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Originally conceived in the late 1930s at the request of two Portuguese businessmen who wanted marine-chronometer precision in a wristwatch, the IWC Portuguese has grown into one of the brand's flagship collections, and this Chronograph edition keeps the line's oversized, clean dial layout intact. A silver-toned dial is set with rose-gold-finished Arabic numerals and lance-shaped hands, flanked by two sub-registers for running seconds and 30-minute chronograph totalization — a dial architecture instantly recognizable as IWC's own. The watch is driven by an automatic chronograph movement built on IWC's proven column-wheel architecture, offering smooth, precise pusher engagement and reliable day-to-day chronograph performance. Housed in a stainless steel case sized to preserve the Portuguese collection's signature large, clean dial proportions, the watch balances vintage-inspired design with genuinely modern wearability, including 30 meters of water resistance for everyday confidence. With its slim bezel, oversized dial, and railroad-track minute chapter, the Portuguese Chronograph remains one of the most legible and elegant chronographs in production. It suits a dress shirt as naturally as it suits a weekend, and represents IWC's engineering pedigree in one of its most enduringly popular forms.