Zenith is a subsidiary of luxury conglomerate LVMH (Moet Hennessy•Louis Vuitton). (http://www.unitedagainstnucleariran.com/company/lvmh-moet-hennessy%E2%80%A2louis-vuitton)
The luxury watchmaker lists an authorized retailer in Tehran. (Zenith Website, "Retailers," input: "Iran") (http://www.zenith-watches.com/en/#/retailers/map/mideast/Iran,%20Islamic%20Republic%20of)