They've added a colorful, futuristic touch to our ProPilot Altimeter, the ultimate pilot's watch. Limited Edition of 250 copies This limited edition of 250 pieces brings a breath of color and technology to our most iconic pilot's watch. Beneath the exceptionally readable dial lies an unparalleled mechanical heart: the only timepiece in the world with an automatic movement and integrated mechanical altimeter.,They've added a colorful, futuristic touch to our ProPilot Altimeter, the ultimate pilot's watch.