Chronographic unit for chronographic watch, has minute ticker wheel, and hammer operating structure having multiple hammer levers, which are shifted with low pressure of resetting button with successive rotation

摘要

The chronographic unit (2) has a minute ticker wheel, a hammer operating structure having multiple hammer levers, which are shifted with low pressure of a resetting button with successive rotation. The hammer lever is provided with a range for manipulation of the hammer, and a rigid hammer is provided with a hinge with a propelled range at a proximal end range.