Micromodule Gear II is equipped with an ideal tooth profile that has been redesigned down to a single tooth on the drive gear. In addition, a newly designed SilentDrive is employed to suppress rattling of the mechanical parts to thoroughly eliminate the slightest rattling sensation when winding up. The body and line roller are equipped with X-Protect, which has improved water resistance, and continues to protect the smooth and silent operation that is the true essence of STELLA