The battery is dead. This is a watch brand from Northern Europe, Sweden, specializing in diver's watches, named after the Greek god of the sea, Poseidon. Adopted by the Swedish military and NASA for training. A standard model that allows you to easily enjoy a diver's watch. Equipped with essential diving features such as 20 ATM water resistance, luminous hands & indexes, and a screw-down back. [Reference Price: 28,000 yen] Accessories: Box Operation: Good