[product_description] Astron 5X Titanium Collection. 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. 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. Topped by a dual-curved crystal with super-clear coating, the black dial with red and silver accents includes a date calendar and LumiBrite hands and markers. With a super-hard coating for added durability, secure screwdown caseback and tri-fold push button release clasp. 20 bar, 200M Water Resistant [/product_description] [short_description] Astron 5X Titanium Collection. 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. 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. [/short_description] [unique_description_1]| Caliber 5X53 ^| Powered by light energy - no battery change required ^| Case Diameter: 42.7mm ^| Case Thickness: 13.3mm ^| Case Length: 50.0mm ^| Titanium case with super-hard coating ^| Titanium bracelet with super-hard coating Additional black silicone strap ^| Titanium bracelet with super-hard coating ^| Water Resistance: 20 bar, 200 meters (660 feet) ^[/unique_description_1] [unique_description_2] | Astron 5X Titanium Collection ^ | GPS Solar Dual Time ^ | Perpetual day and date calendar correct to the year 2100 ^ | High speed GPS time and time zone adjustment ^ | Dual time indicator (39 time zones) ^ | Time transfer function ^ | AM/PM indicator ^ | Signal reception result indicator ^ | Daylight saving time function ^ | Power save function ^ | Black bezel ^ | Black dial with red and silver accents ^ | Date calendar ^ | LumiBrite hands and markers ^ | Screwdown caseback ^ | Tri-fold push button release clasp ^ | ^ | ^ | ^ | ^ | ^ [/unique_description_2]