Yet another buzz-generating collaboration from Mastermind Japan went on sale today as an exclusive release at two Ron Herman stores in Japan. In celebration of Casio G-Shock’s 30th anniversary, the two brands teamed up to make a special limited-edition set of three iconic G-Shock watches, all in Mastermind’s trademark classic black. The set was only produced in small quantities, so request yours soon from Japan Goods Finder to increase your chances of getting your hands on one.

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