IWC Portofino Automatic Moon Phase 40 Watch, 40mm White Dial, IW459401Poetry and aesthetics combined on your wrist: the display, showing the daily changing shape of the moon against a glittering, star studded sky, is destined to send its owner into raptures, whatever the time of day. The moon phase display is not just an aesthetic masterpiece it also reminds us that, long before time could be mechanically measured, it was the moon that showed us the passing of time. The stainless steel version of the Portofino Automatic