Historia lange sohnen relojes especiales 00

History of watches

By Emmajh07
  • Sun watch
    1600 BCE

    Sun watch

    Egyptians
    Shadow
  • Water watch
    1000 BCE

    Water watch

    Speed of water for a hole
    Clepsidra ( Greece )
  • Sand watch
    700

    Sand watch

    Hour to hour
    Turning it over
  • Mechanical watch
    1290

    Mechanical watch

    Progress
    Based on weight engine
    Rewind the thread
  • Pendulum clock

    Pendulum clock

    Pendulum sistem
    Exact
  • Stopwatch development

    Stopwatch development

    15 degrees = 1 hour
  • Electronic clock

    Electronic clock

    Energy
    So exact
  • Atomic watch

    Atomic watch

    H. Lyons
    Independent of external factors
  • Digital watch

    Digital watch

    Similar atomic
    Screen
  • Smartwatch

    Smartwatch

    Computer
    2013 ( massive market )