Quartz watch battery replacement precautions Quartz watch battery replacement be careful. For thin quartz watches, battery selection is particularly cautious, because the movement of these watches are also very thin, if the battery is reed and screws fixed, you can not use the thick battery. There have been improper selection of thickened batteries caused by the failure of the Swiss watch case: There is a Cartier watch, the original should be used SR616 model battery, the result is the SR621, the thickness increased by 0.5 mm, but why the watch is very thin, that is, the space inside the case height is small, so when the watch is tightened After the battery access to the back of the table in the back, and the pressure on the movement, resulting in a reasonable gap under the dial all parts, the calendar does not jump words, but also can not quickly adjust the calendar tray, and the dial is very tight sense of wrinkles in the Continued dial a few cycles down, sad reminder even lie gear straight to get off. To change the quartz watch battery, is a simple question. Because the quartz watch battery is not 100 kinds of specifications or models, there are dozens of large and small, thin and thick, the general maintenance shop models will have common, not commonly used may not, especially those who are too small Or larger and thicker. The international model of silver oxide battery actually represents the geometric dimensions of the battery shape, such as SR626, the diameter of more than 6 mm, and the thickness of 2.6 mm, the other models are the same. More expensive quartz watch, usually in the back of the watch or the battery near the movement of the battery, indicating the battery used in the movement specifications. Thicker battery capacity than thin, which is beneficial to extend the battery replacement cycle, if it is selected than the provisions of the thin battery, but also to prevent the battery retainer stuck battery, causing the battery on the bomb, from the negative Reed, or contact the virtual; therefore, when necessary, but also need to battery (anode) padded metal foil or "green clay" to suppress. There is a saying in Beijing: "Scrambled sesame seeds - you fool me, I fool you," shows that if you do not follow the rules, there may be a go-between, an insult to injury Do not say that even the "bread can trigger a bleeding case", all due to minor loss of things can not be done, under conditions, or should be in accordance with the provisions of the model to replace the watch battery.