This is a racing series automatic mechanical watch with a unique design: the inner case and outer shell are softly connected by four springs with elasticity, which cushion shocks from drops or impacts to protect the movement and key components. It uses a Japanese automatic mechanical movement. The case is made of stainless steel and premium carbon fiber, precisely crafted for lightweight durability. It features a high-end sapphire crystal glass and a soft, comfortable rubber strap with a tire tread pattern. This distinctive racing watch is truly a timepiece you deserve to own.