What does this automatic watch have?

  1. Follows classic Bauhaus style, big face dial features sub-dials, three hands and Arabic numeral markers, no frills. Transparent back design, you can see the movements clearly.
  2. Feice 2.5D domed mirror, adopted double coating process decorate with curved built-in dial is also curved, creating a perfect 3D look.
  3. 24 hours display sub-dial and hackable second hand are more convenient for you to set time. Date and week window at 3 o’clock.
  4. Automatic self-wind movement, battery free, as you wear it, it will automatically continue to wind up. If you wear it more than 10 hours a day, you won't ever need to manually wind up your watch.

How to maintain the mechanical watch?