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1275
Mechanical clock
Was invented in England and does not have any faces tells time by striking hours -
1300
Three mechanical Clocks
one was astronomical clock, second ringing a bell every hour and third followed the hours, sunrises and days of the month -
1504
1st portable timepiece
Peter Henlein developed the first " watch". Was not accurate as the persons walking movement impacted the time on the device. -
1574
First pocket watch
John calvin banned people from wearing jewlery and this the first pocket watch is created in bronze -
pendulum clock
This clock was patented by christian huygens. the clock decreased deviation in time around 15 second a day -
Pocket watches
Minute hands were added to clocks -
Pocket watches
Seconds hand made an appearance on pocket watches -
First self winding clock
Invented by abraham - louis perrelet -
Wristwatches
First wristwatch was for the queen of naples, they had been introduced in 1570 but where designed as arm watches -
Period: to
WWI
Solidiers where given wristwatches called " Trench watches:" allowed for accuracy and coordination of maneuvers and attacks. -
first stopwatch
Was patented by the breitling watch company even thothey where invented in the 1770's -
Electrical watches
hand where moved mechanically yet the balance wheel was powered by solenoid a thine wire wrapped around a metallic core protruding a magnetic field when an electric current is passed through