(TrendHunter.com) The Y's x G-SHOCK GM-S5600YS-1 timepiece is a first-of-its-kind accessory created in collaboration between the Yohji Yamamoto brand and Casio to offer an understated way to keep time. The... (TrendHunter.com) The Y's x G-SHOCK GM-S5600YS-1 timepiece is a first-of-its-kind accessory created in collaboration between the Yohji Yamamoto brand and Casio to offer an understated way to keep time. The...