Seiko Astron 5X Series GPS Watch - SSH117J MS The band of this ring

The band of this ring is polished white gold

-Dive Time Indicator

This gents signet ring is made from tantalum

-Approx 41 Hour power Reserve

seconds & 24-hour time

Seiko Astron 5X Series GPS Watch - SSH117J MS The band of this ringASTRON: The worlds first GPS Solar watch. By connecting to the GPS network, the Astron adjusts at the touch of a button to your time zone and by taking all the energy it needs from light alone, it never needs a battery change. 5X SERIES: The worlds slimmest GPS watch. Created in Japan this time piece has high speed time zone adjustments, time transfer functions, allowing you to switch between two different time zones at the push of a button. The watch