New sports series Astron, with enhanced water resistance, improved information readability. The crown is protected and screwed down.
I would also like to mention the ceramic bezel, it is not scratched.
The main feature of the watch is GPS, with which you have the exact time on your hand anywhere in the world!
Seiko Astron SBXB170
Quartz solar caliber 8X53 powered by light (sun) energy
GPS Solar for accurate time anywhere in the world
Sapphire crystal with double anti-reflective effect (no effect)
Water resistance 200 meters
Case back and crown screwed down
Overcharge prevention function
World time function (40 time zones)
Dual time display
Automatic hand alignment function
Dimensions: height 51.4 mm, width 46.7 mm, thickness 14.5 mm, weight 111 grams
Made in Japan for Japan.