G-SHOCK on X: "AO-ZUMI is a watch that is as bold as it is disciplined and refined. Premium materials such as titanium and sapphire crystal come together in one elegant package ready
New Transparent G-Shock Watches Bring Sapphire Crystal Vibe to Masses - Bloomberg
Molto Raro* Orologio Arcobaleno Limitato G-Shock MT-G 20° Anniversario con Scatola e Carta | eBay
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