The Casio G-Shock GA-400GB-1A4 is perfect for adventurers and those who lead an active lifestyle. Whether you're hiking in the mountains, diving in the ocean, or traveling the world, this watch has got you covered. It's shock and magnetic resistant, and can handle water up to 200 meters deep. With its world time feature, you'll never lose track of time no matter where you are. The watch has a case size of 55 × 51.9 × 18.3 mm and weighs just 70 g, making it lightweight and comfortable to wear all day long.