Portofino Perpetual Calendar Steel Silver Dial 40mm

The IWC Portofino Perpetual Calendar (ref. IW3446-01) brings haute complications to the elegant simplicity of the Portofino line. Released in 2022, it remains one of the most compact perpetual calendar wristwatches in regular production – a refined integration of complex mechanics into a slim, understated profile.

Housed in a 40mm stainless steel case, the watch features a silver dial with cleanly arranged calendar indications and a moonphase display integrated at 12 o’clock. Powering the watch is the in-house calibre 82650, a self-winding movement capable of tracking the date, day, month, year, and lunar cycle with mechanical precision well into the next century. Its Pellaton winding system ensures a 60-hour power reserve, while the case maintains a water resistance of 50 metres.

By miniaturising IWC’s perpetual calendar complication without sacrificing clarity or function, the IW3446-01 positions itself as an accessible yet mechanically impressive entry into calendar watchmaking. A rare combination of wearability and complexity, it aligns relaxed Portofino aesthetics with true technical substance.