Feature:1. MULTI FUNCTION: Including luminous, alarm, hour reporting, chronograph, week date display, 12 24 hour system and more functions, this digital watch can meet your various needs.2. WR50M WATERPROOF: Featuring WR50M swimming waterproof grade, this digital chronograph watch can be used normally in rainy days and daily washing.3. RELIABLE MATERIALS: This digital watch adopts ABS plastic case, silicone strap, stainless steel bottom cover and buckle, designed specifically for various outdoor sports, resistant to falling and wear.4. QUICK RELEASE STRAP: This outdoor sports watch features a strap quick release design that allows for quick removal and replacement of the strap.5. THICKENED LENS SURFACE: The electronic watch uses thickened and hardened acrylic resin lens surface, with transparent luster, stable chemical properties, durability, and good waterproof performance.Specification:Item Type: Digital WatchStrap Material: SiliconeCase Material: ABS PlasticBottom Cover Material: Stainless SteelLens Surface Material: Acrylic Resin Lens SurfaceWatch Length: Approx. 25.5cm/10inBattery Model: 1 x CR2025 3V 60mAh (Built in)Swimming Waterproof: WR50MSuitable Crowd: Men, StudentFunction: Luminous, Alarm, WR50M, Hour Reporting, Chronograph, Week Date Display, 12/24 Hour System.Package List:1 x Digital Watch1 x User ManualNote:1. Please allow 13mm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.