How many terms of watches do you know |
Three needle
The watch that is another small round on the surface of the watch to show the seconds,we usually call it “Three needle”. And the second hand is usually erected on the axle of four wheels.As for the watch which the second hand,hour hand an the minute hand are placed at the same central axis,it’s called “Third needle”.
Calendar
The watch that includes a function of opening a small window on the word set,use numbers to show the thirty-one days of a month is called “date”. Most of the date adoption uses digital instructions. But there is also a point instructions which uses the date hand to point the numbers on the suface.Besides,there is also an instruction which points the days of a week and is called “day”.In additon of date and week.There is also a instruction that points months of a year and is called“Full Calendar”.
Alarm watch
The watches that could set the time of making noise is called an alarm watch.After setting the time,There will be a high-speed-shaking hammer striking the back of the watchcase to show the setted time.In addition,there are some other watches that use music or other sounds to give the correct time like Repeater and Musical watch.
Worldtimer
Worldtimer is a timer which is used to satisfy thr requirement of travelling times after the World War 2.It uses Greenwich mean time as the foundation,and so we could look through all the time all over the world.Most of the worldtime is graved the names of big cities and their local time.
Chronograph
Chronograph is a professional name,and chrono in the old English and Latin means “time”,and graph in English means recording tools.Usual watch can show the pass of the time continuously but chronograph is different from them,It could record the length of any period of time.
Observatory table
Observatory table is a kind of sophisticated and high-precision watch.There is a word “Chronometer” on the watch and that it is passed by COSC(Controle officiel suisse des chronometres).
