Audemars Piguet 7136

The caliber 7136 is an automatic movement manufactured in-house by Audemars Piguet. It measures 29.6 mm in diameter and 4.1 mm in height, contains 41 jewels, and operates at a frequency of 28,800 vph with a power reserve of 55 hours, wound through an automatic bidirectional winding mechanism. It provides a perpetual calendar with date, day, month, and moon phase functions, and is used to power models 26684 and 26441.