Buddha Amitayus

Buddha Amitayus ཚེ་དཔག་མེད་
‘The Buddha of Boundless Life’ — a sambhogakaya aspect of Amitabha, particularly associated with longevity. He is mostly depicted sitting and holding in his hands a vessel containing the nectar of immortality. Amitayus is also one of the three deities of long life.
~Rigpa Wiki