Amitāyus is the Buddha who represents infinite life and is often depicted holding a vase.
The Sanskrit name Amitāyus means “Limitless Life” or “Infinite Life.” In Himalayan Buddhist art, Amitāyus usually appears in princely robes rather than the simple monastic clothing associated with many Buddha images. He sits in meditation posture and holds a long-life vase, traditionally filled with the nectar of immortality.
Amitāyus is closely connected with longevity practices. Tibetan Buddhists invoke him in rituals and visualizations seeking long life, health, and the time needed for spiritual practice. The vase may support a longevity tree or other symbolic plant, reinforcing the image of life continuing and flourishing.
A frequent source of confusion is Amitābha, the Buddha of Infinite Light. In many traditions Amitābha and Amitāyus are understood as two aspects or names of the same Buddha: Amitābha emphasizes limitless light, while Amitāyus emphasizes limitless life. The vase-bearing, long-life form is the specific iconographic clue intended by this question.