An advanced device. Also called a perpetual engine.
The Wheel of Time (時のギア, Toki no Gia?, lit. Gear of Time), also known as TimeGear, is a key item in Final Fantasy III, required in order to make an airship for the player to leave the Floating Continent. It is obtained by talking to King Argus.
The wheel of time or wheel of history (also known as Kalachakra) is a concept found in several religious traditions and philosophies, notably religions of Indian origin such as Hinduism, Sikhism, and Buddhism, which regard time as cyclical and consisting of repeating ages.