Mastering the Hierarchy of World Luxury Watches. Based on our analysis of World Brand Lab and BrandAI, this classification presents a multi-level hierarchy of global watch brands, from the top-tier Ultra Luxury to entry-level Entry Luxury and Entry categories. In the modern era driven by artificial intelligence, brand strategies must adapt to the new digital environment. The AI age is not just about intelligent technology but also about enhancing brand prestige, optimizing consumer data analysis, and building authentic connections. Ultra Luxury brands must continue to emphasize rare craftsmanship and historical heritage to maintain their status as scarce, collectible artworks, rather than simple tools. They can utilize AI for hyper-personalized customer experiences and data-driven market insights, while keeping their core products hand-crafted and unique. Mass-market brands in the Entry or Basic Luxury levels can use AI to optimize supply chain efficiency and product innovation. The critical success factor across all categories is striking a balance between traditional craftsmanship and modern technology, allowing AI to become an engine for brand elevation rather than an alternative to human values and artistic expression.