Pre-owned IWC Portugieser Grand Complication ref IW377602 (2021) is the absolute upper end of what the Portugieser line was ever meant to explore. The Grand Complication isn't just another Portugieser with extra functions. It's IWC's way of bringing nearly every traditional high complication into a single wristwatch. Inside are 659 individual components working together to deliver a chronograph, a full perpetual calendar with a four-digit year, a perpetual moon phase, and a minute repeater that chimes the hours, quarters, and minutes on demand. That's centuries of watchmaking ideas condensed into one case. Here, those complications are housed in a substantial 15ct 5N gold case with a clean, silver-plated dial that is surprisingly legible for how much is going on. The watch wears large at 45mm, but that scale feels appropriate given what it's carrying. The watch is powered by IWC's self-winding caliber 79091 with a 44-hour power reserve. It's paired here with a dark brown Santoni alligator strap. This model is the kind of watch collectors look at less as an everyday watch and more as a statement of what mechanical watchmaking can still achieve.
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