Water enthusiasts, listen up! This Casio WS1300H-1A digital watch is a must - have for marine sports lovers. It's equipped with a 100 - metre water - resistant feature, a long - lasting 10 - year battery, an on - board tide graph, and moon data. The built - in LED light makes it easy to read in any lighting condition. This stylish watch can smoothly take you from the office to the ocean.

Using this Casio WS1300H-1A watch is easy. Just put it on your wrist and it's ready to go. You can check the tide graph and moon data right on the display. For daily use, it can handle water up to 100 metres deep, so you don't have to worry about getting it wet during water sports. The battery lasts for 10 years, but if you need to replace it, it's best to take it to a professional. To keep it looking good, wipe it with a soft cloth regularly. Avoid exposing it to extreme temperatures or strong chemicals as this may damage the watch.