Integrates a patented automated mechanism embedded into a unique X-shaped skeleton – the core of the utmost sophisticated experience. The dual-shell structure, equipped with a high-performance sport utility vehicle suspension system, includes a four-angle spring distribution to unveil the all-new CIGADesign anti-vibration capability. The X Series displays a self-winding movement that recharges automatically as you wear it. With a power reserve of approximately 40 hours and a movement frequency of 21600 times/hour, the X Series proudly features the most compact and steady automatic movement ever created. Food-grade silicone strap and durable nylon strap, the quick-change 'lock-tite' spring bar affords convenient strap attachment and removal.