Each movement supplier has its own battery life of different commitments, such as Citizen movement battery life is generally 2-3 years, and some movement can reach 5 years or even 10 years. In general, the thinner the movement, the smaller, the thinner the battery, the smaller the shorter the battery life. Due to a variety of other factors will also affect the battery life, such as the length and breadth of the weight (weight), the battery date and time of the morning and the watch inventory time, etc., our current first-class watches in the sales commitment to customers when the battery life :
1), use 4S20 \ 5Y30 and 9T22 movement for more than 1 year style;
2), other styles are more than 2 years.