Citizen x Porter GMT World Time Black Limited,Citizen x Porter GMT Silver Limited 100th Anniversary - Shopping In Japan Net,Citizen x Porter GMT World Time Black Limited,CITIZEN x PORTER GMT World Time | Release Date & Price | SNKRDUNK Magazine,Citizen and Japanese luggage brand PORTER from Yoshida Bag, have collaborated on a new GMT model. The watch has the PORTER product number 386-19831, and has a black dial with orange GMT,