- New and high quality. Movement: Quartz Style: Fashion & Casual Surface Material: Glass Watchcase diameter: 4.0cm Watchcase Thickness: 0.6cm Band size:22x2cmBand material: steelCase material: Alloy Color:WhiteWatch weight:0.15kg How to Care for Quartz Watch: Quartz watches are built to work flawlessly for a long time, but there are some habits you can get to keep your watch in the best state. 1. Avoid severe shock. 2. Keep distance from magnetic fields. 3. Do not get close to solvent. 4. Notice the collecting method. Do not put the watch into pockets and bags. 5. Take off while sleeping. FAQ 1. How long will the battery work? As the watch is binding, it starts to work since production. The battery is predicted to work for 2 years since purchased. Any stopping situation after long time use, please contact after a sale or change the battery in a professional watch store. 2. Is there anything I should notice about adjusting the time? Please do not adjust the time between 10 pm and 2 am, in case errors on timing. 3. Is that possible for the time error of a long time using? The error is in the allowable range of International standards, such as a monthly error is 30 seconds for Japanese movement. 4. Just concerned if the metal accessories will be rusted. The case is alloy material, featured in anti-rust function.