Designed with luminous function, this watch allows you to read time clear at night, very convenient to use. At the same time, there is a calendar display, which is very practical. 30 meters waterproof, the watch is suitable for Daily waterproof, such as splash water, rain, washing hands and face. But it's not suitable for swimming, diving, snorkeling and shower, etc. Bracelet made of good stainless steel is hardened, bright and corrosion resistant, scratch resistant. Watch band length is 25cm, width is 2.4cm. It is suitable for business, party, leisure, vacation, dating, birthday gifts, Christmas gifts, weddings, etc. Item Name: Watch Material: Stainless Steel,Glass,Quartz Battery: Button Battery (Included) Mirror: Glass Mirror Surface Watch Band Material: Stainless Steel Strap Water Resistance: 30 meters Daily Life Waterproof Features: Luminous, Calendar, Multi-function Size Details: Watch Case Diameter: 4.5cm/1.77" (Approx.) Watch Case Thickness: 1.2cm/0.47" (Approx.) Watch Band Length: 25cm/9.84" (Approx.) Watch Band Width: 2.4cm/0.94" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Watch