
Ref. IW377601 · Chronograph
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Portugieser collection · 20 watches












2 colorways
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Owners widely praise the IWC Schaffhausen Iw377601 Portugieser Grande Complication's impressive complications, including a 400-year calendar and a highly accurate moon phase. The watch is frequently described as a grail piece, with many admiring its technical complexity and elegant yet tough appearance. Some owners specifically highlight IWC's raised indices as superior. However, a few find the dial appears plasticky, and some users note the watch looks large on the wrist, with one owner deeming it feminine and disliking the lug design. Setting the perpetual calendar is also noted as complex. Overall, owners rate the IWC Schaffhausen Iw377601 Portugieser Grande Complication highly for its remarkable complications and grail-worthy appeal.
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