5133

The Audemars Piguet caliber 5133 ranks among the world's slimmest self-winding perpetual calendar movements. To achieve this profile, the perpetual calendar mechanism was condensed from three levels into a single 0.35mm layer, utilizing two patented innovations that integrate the end-of-the-month cam with the date wheel and the month cam with the month wheel. The movement is composed of 256 individual parts.