Seiko - The Astron GPS Solar World-Time Limited Edition - The Earth at Night http://www.seiko-astron.com/2016limited/ The use of a colored mother-of-pearl is a silent tribute to the power of the technology beneath.
Seiko Watches Malta - The Astron GPS Solar World-Time Limited Edition. The design was inspired by the idea of the earth at night, as it might be seen from a GPS satellite.