Small Knowledge for the Maintenance of watch |
Q6:Why are Quartz watches more precise than machinery watchs?
The inaccuracy of the everyday timing of Quartz watches can be less than 0.5 second and this is the one several tenth for the machinery watches. This is because that the quartz watches use 32768Hz high-frequency quartz oscillators, but ordinary machinery watches only use the oscillators with the frequency of 3Hz, the quartz oscillator’s frequency is ten thousand times higher than the machinery watch’s!the higher frequency the oscillator is, the more stable the oscillation is , the stronger the capacity of resisting disturbance is , the more precise the timing is! So the quartz watches are much precise than the machinery watches. Besides, because of the machinery structure of the machinery watches, the gravity influences the watches, and also there is the influence from the outside temperature, magnetic field and quakes, so the timekeeping performance of the machinery watches can not be compared to the quartz watches’!
Q7:Why is there no counter point requirement to the second hand?
In people’s daily lives, it is precise enough to use the unit of minute, so the action of second is not so great. And in the installation, second hand could be installed in any place. In technology, for the hour hand is installed on the hour wheel tube, the minute hand is installed on the minute wheel tube, but there is the synchronous connection between the two. For the second hand is installed on the second wheel tube and belongs to the transmission wheel train, there is no direct connection with the minute hand.So in any hand setting we can only set the minute hand but not the second hand.
Q8:Why does the automatic machinery watch not move?
Please have a check if the watch is lying in the condition of rest for a long time. Automatic watches depend on the swing produced by the relative movements to wind up automaticly.If you are wearing the watch and make it be in the condition of relative rest, the watch cannot be winded up automaticly, the function of timing will be lost. The user can wwing the watch for some times, the watch can go on time. So if you want to prove the precise timing of the automatic machinery watches, please wear the watch for more than 8 hours every day.
Q9:How can we differentiate the veracity of the timing?
Please check the timing of watch with the timing signal from the radio every several days, if consistent, then the timing is precise. In the normal situations, the everyday inaccurary of the watch is almost the same, the accumulative inaccurary can be beyond the permissible value, thenw we can amend the watches by hand setting.
