Men Mechanical Watches : 21 synthetic ruby bearing skeleton mechanical movement, clearly feel every rotation of the gear, no battery, manual and self winding, providing longer kinetic energy storage and more stable travel time for automatic mechanical watches.
winding
OLEVS Mens Watch Automatic Mechanical Tourbillon Self Winding Luxury Stainless Steel Waterproof Luminous Date Wrist Watch
Luxury Moon Phase Dial Design :Three dimensional roman numeral scale,multifunctional display window design for year,month,week and date,sun and moon simulation display window on bottom,green dial watches has been carefully designed to stand the test of time.