1) Material: High quality steel. 2) Size: 34*5cm (dia. * thickness) 3) Function: Hour/ minute/ second/ date/ luminous effects (will glow in the dark) all the functions are works perfect. 4) Movement: use the high quality Taiwan quartz/ silent/ scanning sweeping movement. 5) Battery: use 1 x AA battery. (we don't supply it) 6) Clock glass: use the top quality high strength antifraying glass.