I am seeking a world-class Jewelry Designer to elevate a high-precision hardware device into a luxury "lifestyle" object. The product, Safira, is a high-security crypto-storage vault. We have a functional, round stainless steel case (60\text{ mm} \times 10\text{ mm}), and we need a designer to create a refined, minimalist decorative motif for the top surface. Aesthetic Direction: Style: Modern Minimalist / Stealth Wealth. Motif: Subtle geometry, clean lines, or micro-textures that play with light. Avoid overt ornamentation. Palette: Metallic tones (Silver, Gold, Gunmetal).