Brand name: SANDA Origin: Chinese Mainland Boxes and Box Materials: Paper Packaging Design: Multi functional digital watch Watch back shell: stainless steel Case shape: circular Type of dial window material: ore reinforced glass Dial diameter: 45mm Shell thickness: 14mm Strap length: 26.2cm Bandwidth: 22mm Strip material type: resin Model: 2145 Function: STOP WATCH, illuminated, chronograph, complete calendar, waterproof, alarm clock, weekly display Style: Fashionable and casual, sporty Waterproof depth: 5Bar Lock buckle type: needle buckle Shell material: resin Precautions： 1. Watches should not use hot water or warm water for bathing or showering, as water vapor can enter the watch and can only prevent cold water. 2. Do not put the watch in contact with any chemically expensive cosmetics, chemical or corrosive daily necessities, etc. (Because these chemical costs will corrode the electroplating color on the surface of the watch) 3. The size of the watch is measured manually and there may be some errors. Please refer to the actual product for details.