casio g-shock gwg-1000-1a mudmaster CASE GRAY Water resistance classification (WR) to

Water resistance classification (WR) to ISO 22810

無機ガラス

9）馬赫指示符（速度超過 1225 單位 / 小時）

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Automatic LED lighting (selectable lighting time

casio g-shock gwg-1000-1a mudmaster CASE GRAY Water resistance classification (WR) toSpecifications Resin + Stainless steel Bezel & Case Material Resin Band Shock resist structure Dust mud vibe resist structure Non reflective coating sapphire glass Screw lock crown Vibration resistance structure Neobrite 20 bar water resistant Tough solar charge system Radio reception function EU US China Japan areas Needle position correction function Needle retraction function (altitude, air pressure, when the temperature measurement) World time 29