ボタン操作でGPS衛星との通信によりタイムゾーンを合わせる機構を搭載、光で充電するソーラームーブメントを採用。

The Seiko Astron SBXC179 features the 5X83 caliber solar GPS satellite-radio-wave correction movement, powered by light and adjustable by button for time-zone correction. Titanium case and band are coated with Super Black Diamond Shield, offering 10 ATM water resistance, sapphire glass, world time across 38 time zones, perpetual calendar, and other functions. Released in May 2025 in Japan as a Core-Shop exclusive model.
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