Daily maintenance and related knowledge of watches

1. Please do not approach watches and magnetic objects;

2. In case of water inflow (with air), it should be sent to the maintenance point for cleaning immediately to avoid corrosion of the movement;

3. If the back of the watch is attached with protective sheet or pasted with sticker, please remove them before use, otherwise sweat will penetrate into the base paper, cause the back of the watch to rust;

4. Do not contact the watch with various solvents and chemicals, otherwise the watch case strap will change color and rust due to erosion;

V. Watch (quartz watch only) at room temperature5°C~35°C stable and accurate operation within the range, the temperature exceeds50°C it will cause battery leakage or shorten battery life. Do not put the watch at low temperature for a long time-10°C in the environment, because the cold air will cause time to slow or fast, when the watch returns to normal temperature, it runs recovery normal;

VI, the watch can be divided into diving watch, watrproof watch and no watrproof watch according to the waterproof performance. Watch waterproof depends on waterproof rubber ring of watch glass, back cover, watch handle, etc., the following are some performance descriptions:

 1. General waterproof ( WATER-RESISTANT): It doesn't matter if you touch the water occasionally, for example, you accidentally sprayed the flowers on your hands., don't be nervous, take it off and wipe it clean, then there is no problem, in short, is to prevent daily life small water flowers;

 2.30 beige waterproof (30m,3ATM,3BAR): there are on the watch"30m" table with words, this is watrproof watch, which can be used for daily washing or in the rain, but mainly to prevent the movement from being damaged by dust and moisture. 30 beige waterproof, the professional's explanation is, affordable area per square centimeter3 the pressure of kilograms is equivalent to the water depth in the static state.30 the pressure of meters is equivalent3 atmospheric pressure; 

 3.50 beige waterproof (50m,5ATM,5BAR): there are on the watch"50m" A table with words, namely50 M watrproof watch, is the heart of consumers medium true meaning the watrproof watch, can be used for swimming and general housework waterproof. But remember not to adjust in the water;

 4. Diving watch(100 beige waterproof,200 beige waterproof,300 rice waterproof, etc.): it is professional watrproof watch and can be used for underwater work such as swimming and diving.

VII, national standard for time error of mechanical watches: