Movement · Movement pattern: Quartz · Item shape: Round · Display type: Analog Specifications · Dial case diameter: 42 mm · Dial case thickness: 14 mm · Watch length: 220 mm · Watch weight: 60 gm Material · Case material: Stainless Steel · Band material: Leather Strap · Dial window material: Hardlex Read more Looking for time in the dark The dials and hands are coated with luminous powder, which can be seen at night or in the dark. Luminous powder is a new generation of luminescent materials. Smeared on the hands and the dial, the daylight is illuminated by the sun, the electronic transition to high energy level, absorbing energy; the night electrons transition from high energy level to low energy level, emitting light, no radiation. In this way, you can read the time by distinguishing the pointer in the absence of light. 3 ATM Water Resistant Splash resistant: With the water-resistant material, this quartz wristwatch is elegantly designed to ensure you never miss an adventure activity, but it is only appropriate for rain, water splashes, hand washing, other occasional contact with water, but not for swimming, diving, or bathing.