The IWC Big Pilot's Watch Perpetual Calendar reference IW503608 is a remarkable timepiece that seamlessly blends classic pilot watch aesthetics with sophisticated horological engineering.

Its iconic stainless steel case, typically measuring around 46mm in diameter, commands attention on the wrist with its bold presence. What sets this particular model apart is its distinctive green dial, a striking departure from the traditional black or blue dials often associated with pilot watches. The rich green hue adds a unique and luxurious touch to the timepiece.

One of the standout features of the IW503608 is its mesmerizing open case back, which allows you to admire the intricate and beautifully finished mechanical movement within. This view into the watch's inner workings is a treat for watch enthusiasts and adds to the overall allure of the timepiece.

Moreover, this watch boasts a perpetual calendar complication, providing an elegant and accurate way to display the date, day, month, and moon phase, all of which can be conveniently adjusted through the crown. With its combination of distinctive aesthetics, exceptional complications, and the captivating view of its open case back, the IWC Big Pilot's Watch Perpetual Calendar reference IW503608 is a testament to luxury watchmaking craftsmanship and a collector's dream.