Seiko is a pioneer in the quartz technology. In the 1970s the Seiko watch company was one of the first to introduce quartz watches to the mainstream. The quartz watch with caliber number 7N00, delivering higher performance and greater durability. It is the quartz watch that merits the name Seiko. A quartz movement depends on a battery as a power source. The battery sends electricity to a quartz oscillator, which vibrates at precisely 32,768 times per second.