The Casio G-Shock DW-5900-1 is perfect for sports enthusiasts and travelers. Whether you're hitting the gym, going for a swim, or traveling abroad, this watch has got you covered. It's shock resistant and water resistant up to 200 meters, so you don't have to worry about it getting damaged. With world time functionality, you can easily keep track of time in different cities. The watch has an approximate case size of 51.4mm x 46.8mm x 15.5mm, making it a comfortable fit on your wrist.