The watch come with suplimentary Deployant Clasp. Size(unit:mm) :43(W)x50.5(H)x15.5(T) Strap Size(unit:mm) :210(L)x26(W) Weight :130 G Bezel Material :316L Stainless Steel Case Material : 316L Stainless Steel Crystal Material :Sapphire Water Resistance :5 ATM/5 BAR Luminous :Grade A Movement :Miyota/Automatic Futuristic Form, Bold Design The bold, three-dimensional, multi-dimensional functional shape perfectly combines mechanics and aesthetics. The case has sharp lines and clear layers, reflecting the cold visual tension like urban cyber architecture. Every detail shows its identity as a dream watch. Skeleton Mechanics, the Soul of Precision The hollow design completely releases the visual impact of mechanical rhythm. The decorative wheel at seven o'clock is like an engine starting, as if entering the world of microscopic mechanics. Every beat is a synchronous symphony of precision and power. Stainless Steel Case The case is made of high-quality stainless steel, which has excellent corrosion resistance and wear resistance, always protecting the core of the movement, while giving the watch a calm and resolute metal beauty. Tech Silicone Strap The highly flexible silicone strap fits every curve of the wrist, providing a comfortable wearing experience all day long. Its matte texture and streamlined design perfectly blend into the overall mechanical style, showing a balance between sportiness and elegance in the technological era.