Mechanical watch with a long duration wind-up mechanism that is easy to use and is accurate over the whole operating period

摘要

Mechanical watch has a wind up mechanism with a wind up lever that connects to the core (5) of the barrel spring (4) via an axle at one of its ends, whiles its other end connects to a wind- up ring. The mechanism also has upper and lower ratchet elements. The two ratchets have ratchet links via which they connect to upper and lower ratchet wheels. An adjustment lever connects to an adjustment wheel.