G-Shock x Eminem GD-X6900MNM-1ER Watch launching online 00:01GMT 8th February - £159. In celebration of their 30th anniversary, G-Shock has collaborated with Eminem on a limited edition release. Matte black with black dial and black reverse LCD, the GDX6900MNM-1 pays homage to Eminem's rise from downtown Detroit. In tribute, the skyline of Detroit is printed in bold red on the upper watchband. The watch face and band loop sport the reverse "E" from the stylized EMINEM moniker, while the watchcase back and lower watch band are personalized with an autograph of his alter ego, "Shady”.