Thank you for viewing our page from among many others. This is a wristwatch brand developed by Citizen, a Japanese watchmaker. High water resistance: Reliable 10-bar water resistance (safe for water work, water sports, and skin diving where you often come into contact with water) Set contents: Main body - blister pack, instruction manual, warranty included in the instruction manual. Country of origin: China. Operating time: Approximately 3 years when a new battery is installed. Target gender: unisex Shape: Round The battery installed in the purchased watch is a monitor battery installed to check the functions and performance of the watch.