Watch Brand: Q&Q Brand Origin: Japan Watch Movement: Miyota Cal.2085 Case Material: ABS Resin Band Material: Recycled PET Synthetic Leather Case Size: 36.00mm Case Thickness: 12.00mm Glass: Flat Water Resist: 10 BAR How to start using SmileSolar watch When you start using SmileSolar watch, please remove plastic parts placed at crown and adjust the time by rotating crown and push it in. Insufficient charge warning function When the power reserve becomes low, the second hand moves once every two seconds. Please charge the watch by exposing the dial to light. After the watch is charged, the second hand will move normally. Our philosophy is rooted in the words starting with "Q." The brand name originally stands for "Quality and Quantity." Meaning we combine these traits through producing Quality, reliable timepieces using Japanese craftsmanship in Quantities for people the world over. Since 1976, more than 500 million Q&Q timepieces have been purchased and loved by people in over 120 countries. Adding to our philosophy, "Joy" can also be found in our watches. By offering great choices of designs and collections, you can find a watch to suit all fashions, feelings and occasions.