Rich Brian Collaboration model | CASIO,Rich Brian Collaboration | G-SHOCK SINGAPORE,G-SHOCK × リッチ・ブライアン、ギターをモチーフにしたコラボウォッチ発売 | HIGHSNOBIETY.JP(ハイスノバイエティ),Rich Brian Collaboration | G-SHOCK SINGAPORE,Casio G-Shock X Rich Brian Limited Edition GA-2100RB-3A G-SHOCK connected with Rich Brian, an esteemed label mate at 88rising, to reinterpret a timepiece of his choice. The watch Brian gravitated towards is,