Astron 5X Solar GPS Dual Time. Fifty years ago, Seiko transformed watchmaking with the first commercially available quartz watch, the Astron. Today's Astron represents another step forward, reflecting the strong, sleek lines of the 1969 original, 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, with daylight saving time function, this remarkable timepiece includes a perpetual day and date calendar correct to the year 2100, dual time with time transfer function, and am/pm indicators. 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. The gradated blue textured dial, drawing it's inspiration from a space nebula, also features a date calendar and LumiBrite hands and markers, and is topped by a dual-curved sapphire crystal with super-clear coating. Crafted of stainless steel with black super-hard coating for added durability, secure screwdown caseback, and tri-fold push button release clasp. 10 bar, 100M Water Resistant

Solar GPS Dual Time
Powered by light energy - no battery change required
Perpetual day and date calendar correct to the year 2100
High speed GPS 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
4,800 A/m magnetic resistance
Date calendar
LumiBrite hands and markers
Tri-fold push button release clasp