Probably dating to the early Rattanakosin period, it was previously known as Wat Sam Chin (วัดสามจีน) and received its current name in 1940.
[1] A plaster Buddha statue had been moved to the temple from the abandoned Wat Phraya Krai in 1935.
The statue, officially named Phra Phutthamahasuwannapatimakon since 1992,[1] is now housed in the Mondop building, built in 2007.
[2] Wat Traimit is a notable example of early post-absolute monarchy Thai Buddhist temple architecture.
[2] The Mondop building, designed by Arvuth Ngoenchuklin [th],[2] houses the golden Buddha statue on its top floor, and two museums in its lower floors: one dedicated to the statue, and the Yaowarat Chinatown Heritage Center, which depicts the history of the area's Chinese immigrants.