Seiko
Seiko (/ˈseɪkoʊ/) is the abbreviation of Seiko Instruments Inc., a Japanese crystal oscillator manufacturer, also known as SII. SII has the world's top mechanical technology. In addition to being a world-renowned quartz watch manufacturer, it also produces computer printers. As an electronic component manufacturer, SII is also very good at quartz oscillators. The only company that can compete with Seiko crystal oscillators in the world is Japan's KDS Vacuum.
