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Instructions for Receiving Leap Second Data on Seiko Astron GPS Solar Watch Thank you for purchasing a Seiko Astron Watch. Seiko Astron enters the leap second data receiving mode after the first GPS signal is received on or after June 1st and December 1st. This process occurs automatically so no special operation is required from the user. The process of receiving the leap second...

Prospex was launched internationally just two years ago and has already established itself as one of the brand’s leading global collections. Now, building on this success, a new Prospex marine collection is launched, led by a Marinemaster watch that is the first watch, other than Astron, to incorporate Seiko’s unique GPS Solar technology. Marinemaster and GPS Solar. A perfect match Imagine yourself passing through...

Prospex takes to the skies with the Radio Sync Solar World Time Chronograph Precision in flight. SSG001 Precision and reliability Precision and reliability. These qualities, above all else, are what all pilots need from the watches that they take with them into the skies. The new Prospex Radio Sync Solar World Time Chronograph offers a precision of one second every 100,000 years and the...