#永久日曆

The Perpetual Calendar Can Finally "Go Backward" — IWC Marks Mercedes-Benz's 140th Birthday With This Movement

IWC has launched a limited edition of 140 pieces, the Big Pilot's Watch Perpetual Calendar ProSet, to celebrate Mercedes-Benz's 140th anniversary. The real story isn't the gold accents or the moon phase—it's the 82665 caliber that lets the crown turn both forward and backward.