The LED lights up the dial maintaining watch readability in the dark.You can wear your G-SHOCK in all sorts of situations, from working with water in daily life and taking a shower to participating in water activities such as swimming, surfing or jet skiing.You can wear your G-SHOCK in all sorts of situations, from working with water in daily life and taking a shower to participating in water activities such as swimming, surfing or jet skiing.A Shock-resistant construction protects against impact and vibration.A Shock-resistant construction protects against impact and vibration.The LED lights up the dial maintaining watch readability in the dark.You can wear your G-SHOCK in all sorts of situations, from working with water in daily life and taking a shower to participating in water activities such as swimming, surfing or jet skiing.You can wear your G-SHOCK in all sorts of situations, from working with water in daily life and taking a shower to participating in water activities such as swimming, surfing or jet skiing.A Shock-resistant construction protects against impact and vibration.A Shock-resistant construction protects against impact and vibration.