SEIKO AGS analog wristwatch, Spirit design, made of titanium. AGS... Generates power from the vibration of the arm to move the hands. (No battery required) - Brand: SEIKO - Model Name: AGS - Material: Titanium - Water Resistance: Waterproof - Style: Analog As it has been unused for a long time, it may require repair at a specialist shop. (It works when vibration is applied) No returns or exchanges accepted.