minimalist smartwatch with black band

smartwatch minimalist black sleek band modern marble surface wearable technology design digital wristwatch stylish hightech elegance chic gadget wrist accessory premium polished refined timepiece smartdevice sleekdesign smooth subtle contemporary concept professional arm innovation metallic minimalistic fashion premiumdevice refinedstyle polishedfinish wristband detail clean simplicity tech modernstyle smart polishedgadget advancedtech ai generated