Seiko Astron SSH021 GPS Solar Quartz Dual Time Stainless Steel Black Dial g This one is part of

This one is part of the collection renamed Yacht Timer

◆ Luminous ceramic unidirectional rotating bezel

29 micro gas tubes on hour

These new timepieces incorporate specific codes that enhance its unique character and its extreme simplicity with its thin polished baton-type hours markers

Distance Between Lugs: 19

Seiko Astron SSH021 GPS Solar Quartz Dual Time Stainless Steel Black Dial g This one is part ofToday, 50 years after the Seiko Quartz Astron ushered in the quartz revolution, the enduring popularity, ubiquity and versatility of this remarkable technology have all been proven beyond any expectation. The Quartz Astron changed the way the world told time, astonishing people with its accuracy of +5 to 5 seconds per month. It also shaped the whole future of the electronics industry as several of its inventions, including the tuning fork shaped