Seiko Astron GPS Solar Stratosphere SAS031 OCEANUS Vitamin E: This is one

Vitamin E: This is one of the best

Water Resistance: 30m/100ft

Water Resistant: 200-meter

including the tuning fork shaped quartz oscillator

quick release

Seiko Astron GPS Solar Stratosphere SAS031 OCEANUS Vitamin E: This is oneAt last, the search for totally precise time, everywhere on the planet, is over. By developing our own, patented, low energy consumption GPS receiver, Seiko has been able to create a watch that can receive GPS signals and identify time zone, time and date data using the global network of GPS satellites. It recognizes all the 39 time zones on earth. This breakthrough timepiece is called Seiko Astron. Like its celebrated 1969 predecessor which was the