Thank you for viewing our page from among many sales pages. This is a wristwatch brand developed by Citizen, a Japanese watchmaker. High water resistance: Reliable 10-atmosphere water resistance (safe for water work, water sports, and skin diving where you often come into contact with water) Operating time: Approximately 3 years when a new battery is installed Set contents: Main body - blister pack, instruction manual, warranty card attached to the instruction manual Country of origin: China Target audience: Men