Men’s Seiko Astron GPS Collection SAST100
Caliber 7X52
GPS controlled time and time zone adjustment
Perpetual calendar correct to February 2100
Signal reception result indication
World time function (39 Time Zones)
Never before in Seiko's history has a watch carried Kintaro's name, nor the six words that define his vision, "One step ahead of the rest". In its innovation and its refinement, it symbolizes everything that Seiko believes in. It solves a real problem, it is practical, easy to wear and needs no more than exposure to light to deliver perfect timekeeping anywhere on earth. The case is m
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