A micro-rotor is a type of watch movement that uses a small, flat weight, known as a rotor, which rotates when the wearer moves their wrist. This rotor then winds the mainspring, which powers the watch. This type of movement is popular due to its compact size and lower cost of production. It is also known for its smooth and efficient operation, as well as its low power consumption. Micro-rotor movements are often found in automatic watches, where the wearer does not have to manually wind the watch.
