Q: Can I read my watch in total darkne? A: Yes, the timekeeping has a glow function so you can read the time clearly at nightQ: What is the maximum wrist size of this watch?A: The watch is 24 cm long and very large. Good watch, beautiful and lightweight, good value for money. Hope all this helps youQ: How to adjust the time calendar of the watch?A: You should pull out the circular button on the side of the first part of the watch to adjust the date, and then rotate it clockwise. When you pull out the second part to rotate clockwise, adjust the timeQ: How long is the protection of the watch?A: Hello, the protection time of the watch is 2 years, and it is equipped with a warranty card.Q: Is the mirror of the watch clear?A: The gla is a mineral high-strength gla (scratch-resistant, drop-resistant, and dirt-resistant), which can clearly see the timeQ: What is the quality of the watch strap?A: High-quality Silicagel is extremely durable and flexible, Do not fademaking it an ideal material for wristbands""Q: Is it in a box?A: Yes, friends, watches are sent with the boxKindly NoticeMultifunctional watch. All the pointers are working. This watch has a chronograph function.The watch waterproof 3bar can use to wash hand without hot/warm water, can't take shower, bath, swim etcAFTER-SALE SERVICE: Well packaged in nice gift watch box. 90-day free return/exchange,any question or problem,please feel free to contact seller