5. The theory of the button battery use time?
Answer: the theory of using time is one year, silver oxide batteries, generally use two years or so, zinc, manganese, lithium batteries use time is shorter.
6. Why the watch under the normal use will suddenly go fast?
A: maybe it's because the watch is affected by the strong magnetic field, the hair spring produced by the magnetic adhesion, will not operate properly. So watch in 7. How to recognize the watch by magnetic? Are magnetic?
Answer: when the watch suddenly walk fast, under normal use for a few minutes or a few hours, you should consider whether the magnetic. By magnetic after watch should be immediately sent to a professional qualification watch maintenance organization for testing, and the demagnetization for demagnetization instrument, can be restored to the original precision as well.
8. Quartz watch in long-term need not how to place can save electricity?
A: quartz watch in the crown should be pulled out when not in use for a long time, let the watch is at a standstill. Watch in the design of a power device can achieve the result of energy saving.