Seagull Fully Automatic Self Winding Men's Wrist Watches M171s Sapphire Date Day Flywheel

Seagull
Tianjin Seagull Watch Group Founded in 1955, with a history of over 50 years, is a watchmaking company located in Tianjin, China.
It is the world's largest manufacturer of mechanical watch movements, producing one quarter of total global production by volume.
In worldwide, producing every four watches, one use parts of seagull movement.
The past years has seen the Seagull Watch Group achieve numerous milestones.
--The first international exported China Watch Brand.
--The first locally watch manufacturer.
--The first Chinese independently designed watch.
--The first watch for lady in line with international standards.
--The first chronograph aviator watch for the Chinese Air Force.
--The first Chinese "minute repeater"watch.
--The first Chinese "(co-axial and eccentric)double-axis tourbillon".