Designed with touch control function, this watch is very easy to operate and effortless. And you can see the time clearly even at night, because the watch is designed with luminous function. Adjustable strap design is very convenient for you to adjust the size that fits you. And the watch has precise time, which is very useful. It is constructed of silicone material. The length of this watch is 23.7 cm and width is 4.1cm. This watch is suitable for outdoor activities such as running, jogging and so on Item Name: Watch Material: Silicone Style: Sporty Model: ZSN-1049 Crowd: Universal Display Type: Digital Display Battery: 1 x Button Battery (Included) Water Resistance: Daily Life Waterproof Features: Luminous, LED, 24 Hour Display, Month Display Size Details: Dial Diameter: 4.1cm/1.61" (Approx.) Thickness: 1.03cm/0.41" (Approx.) Size: 23.7cm x 4.1cm/9.33" x 1.61" (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