CASIO G-Shock Tough Solar Radio Controlled Multiband 6 Men's Watch GW-M5610CC-2 | eBay
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Amazon.co.jp: Casio G-Shock MTG-B3000BDE-1AJR Men's Wristwatch, MT-G Bluetooth, Radio-Controlled Solar, Box Set with Replacement Parts, Black, Limited Model / Box Set with Replacement Band (Soft Urethane Band), Layer Composite Band : Electronics