IWC Portugieser Grand Complication IW377602 18k 5N Case – Chrono Swiss Watch

Why We Love This Watch This pre-owned IWC Portugieser Grand Complication ref. IW377602 (2021) is a masterful blend of technical sophistication and timeless elegance. Housed in a 45mm 18 ct 5N gold case with a silver-plated dial, it is powered by IWC’s automatic Caliber 79091, offering a 44-hour power reserve and small hacking seconds. The watch features an array of extraordinary complications, including a chronograph (hours, minutes, seconds), a perpetual calendar with date, day, month, year (four digits), moon phase display, and a minute repeater chiming hours, quarters, and minutes. An arched-edge sapphire crystal with antireflective coating ensures optimal legibility, while the 22mm strap and 18mm buckle provide a refined fit. This Portugieser Grand Complication is a striking example of IWC’s horological mastery, combining precision, luxury, and classic design in one exceptional timepiece.