Product description Men's chronograph with semi-automatic movement: no battery required. Manual winding to activate the movement. The Italian calf leather strap is soft and comfortable and the Cadisen watch is made of domed sapphire crystal with AR coating, so that the dial and hands are clearly visible. The men's watch is waterproof up to 10 ATM. Directions The watch needs to be wound about 30 times a day to keep it running all day.



