SANDA 3355 Camouflage Multifunction Watch Alarm Clock Waterproof Electronic Watch 1. Movement: electronic + quartz 2. Battery: MAXELL 3. Mirror: acrylic mirror 4. Strap: TPU 5. Case: ABS 6. Waterproof: 50m depth waterproof 7. Case height: about 5cm 8. Case width: about 5.3cm 9. Case thickness: about 1.8cm 10. Strap width: about 2.2-2.7cm 11. Circumference: about 15-22cm 12. Total length: about 24.5cm 13. Weight: about 73g Features: 1. Dual display dial 2. The pointer has a fluorescent effect. The more sufficient the light is, the more obvious the effect is at night 3. The display screen has a one-button screen light function, and it is easy to read the time in a dark environment 4. Acrylic transparent mirror, scratch-resistant and wear-resistant 5. Meet the waterproof needs of life, suitable for sweating during exercise, traveling in rainy days, cold water cold baths, etc. 6. Stainless steel bottom cover, waterproof and not easy to rust 7. TPU strap, soft and moderate, fits tightly to the wrist, comfortable and breathable 8. Anti-slip function buttons, shockproof and drop-resistant, simple and convenient operation