Mon - Fri:
1st floor - 8th floor: 10 a.m. – 8 p.m.
9th floor: 10 a.m. – 8 p.m.
Weekend: 10 a.m. – 9 p.m.
Closed on the 2nd and 4th Tuesday of every month, New Year's Day and Chuseok (three-day holiday in September or October).
Wikipedia https://ko.wikipedia.org/wiki/테크노마트
Official website http://www.tm21.com/
전화 +82 2 3424 0114
주소 546-4 Prime Center Guui-dong, Gwanggin-gu, Seoul, South Korea
좌표 37°30'25.146" N 126°53'26.124" E