Material: high quality alloy, copper cover material: high quality alloy, copper cover, can do LOGO (laser or corrosion) Mirror material: ordinary glass, plastic mirror Dial: free design and branded logo (LOGO) Movement: Japan imported quartz Movement / domestic quartz movement battery: domestic battery, battery imports (1 Year - 3 years of life) Function: time display waterproof: life waterproof, 30 meters waterproof comprising: dial any LOGO design (according to the specific requirements) Packing: single table into a bubble bag safety packaging (wooden / plastic boxes / cartons are) Sample time: 7-10 days shipping time: 25-35 days NOTE: guests can start models or drawings given Order: 500 From Shipping: The larger the amount of the benefits, support payments watches with everyone, but does not mean that all people are aware of the principles of watches and use of knowledge. Quartz watch Needless to say, nothing is simple, but complex mechanical watches work a lot of people are not very understanding of his works as well as trouble many jokes, such as mechanical error, when the watch is stopped received, the automatic mechanical watches can shake heard. Buyers do not understand how their misconception that the watch is bad, in fact, these are normal. Therefore, we have compiled the following principles of mechanical watches and use common sense. Before adjusting Note: 1. Ready to adjust the time before, please note: In case of using the screw-down crown of the watch, do not pull hard, turn counter-clockwise to open the lock of the crown after adjusting the time, will turn the crown clockwise and push the locking, so water (many customers reflect receive watches how adjusting head screw fixed time can not be adjusted, please see the provision of information) 2. Second, pay attention to the mechanical watch movement restricted in the evening 21: 00- 4:00 am, during the week and not calendar adjustment, otherwise undermine the movement. 3. Note: Do not adjust counterclockwise 00 times, because in this period the week, calendar switching gear in the opposite direction for a long time can damage internal parts adjustment, other times clockwise, reverse: 21: 00-3 You can freely adjust the hour. Regulate the use of methods: 1. In the middle of the head is the same as the screws tighten risk, according to counter waterproof design, the adjustment time when counter-clockwise twist down to tighten the cup lid as are loosened. 2. Unscrew release is screwed directly upward position 0 is manually-wound. (New purchase or a long time without wearing a watch, when to wear again, please manually winding 30 laps, to ensure energy watch, usually required) 3. Light pull, twist upward adjustment gear is 1 week, screwed down adjustment calendar. 4. In the pull, 2 stall time can be adjusted 5. Quartz watches with mechanical watches adjustment method. In case of complex functions of the watch, please contact the merchant directly.