SANDA Small Fresh Digital All-match Waterproof Luminous Student Watch Features: 1. TPU material strap, breathable and skin-friendly, flexible and resilient 2. Simple design, three-dimensional case, three-hand design, simple and pure expression of time 3. One-key bright screen, pointer fluorescent effect, dark environment, no hindrance to reading 4. 50 meters waterproof to meet daily life washing, rain and other scenarios 5. Acrylic mirror surface, anti-wear and scratch-resistant, not afraid of scratches 6. ABS material case, three-dimensional high elastic shockproof structure, protect the movement from damage 7. Large digital scale, more convenient to read 8. Stainless steel bottom cover, daily waterproof and not easy to rust parameter: 1. Functions: dual time, luminous display, stopwatch timing, week calendar, 50 meters deep waterproof, shockproof and dropproof, 1224 hour format, alarm clock mode 2. Strap material: TPU 3. Mirror material: acrylic mirror 4. Movement: luminous movement + quartz 5. Movement model: original movement 6. Case material: ABS 7. Display type: Pointer 8. Waterproof performance: 50m 9. Dial width: 46mm 10. Dial diameter: 42mm 11. Band width: 25mm 12. Wearing size: 130-190mm 13. Dial thickness: 15mm 14. Total length of watch: 230mm 15. Weight: 41g