Built in the mid-15th century, with its thick walls and slit windows, it was one of the largest in the city. The small viharn to the right contains fading wall murals and a beautiful green sandstone Buddha dating from the Mon Dvaravati period and sitting on a throne in the "European" position. The statue was found at Wat Phra Men in Nakhon Pathom and moved to Ayutthaya by King Rama IV. Opposite the ubosot is a covered area with statues of deities, including a large one of Phra Setthi Nawakot, "the nine-faced Buddha.