Hard Luxury Goods Market by Product Type (Watches, Jewellery, Luxury Eyewear, Writing Instruments, Other Accessories), By Material Type (Gold, Silver, Diamond, Platinum, Steel, Other Precious Material), By End User (Men, Women, Unisex, Kids), By Sales Channel (Offline Sales, Online Sales), and By Region - Global and Regional Industry Overview, Market Outlook, and Forecast, 2026 – 2035