Astron 5X Titanium Limited Edition. With the strong, sleek lines of the Seiko Astron, the world's first commercially available quartz watch, today's Astron represents another leap forward, crafted for high-intensity sports in light and durable titanium, while providing the highest degree of accuracy possible in a wristwatch — effortlessly. Available only in a single run of 800, this remarkable Limited Edition, featuring a distinctive gradated turquoise dial, was inspired by the futuristic neon lights of nighttime Tokyo, with LumiBrite hands and markers for enhanced visibility. GPS controlled for high-speed time and time zone adjustment to 39 time zones, the exceptional watch includes a daylight saving time function, perpetual day and date calendar correct to the year 2100, date window, and am/pm indicators. The unique time transfer function allows wearers to switch between the main dial time and the dual time subdial at the push of a button. To ensure smooth operation, the watch is equipped with a signal reception result indicator and power save function. The solar cell is powered by light energy, with no battery change required. Offering a dual-curved sapphire crystal with super-clear coating and special grooved pushers for ease of use, this superior timepiece includes a black super-hard coating for added durability, secure screwdown caseback, tri-fold push button release clasp, and additional black silicone strap. 20 bar, 200M Water Resistant