1. Movement: mechanical movement 2. Strap: stainless steel bracelet 3. Case: electroplated alloy 4. Waterproof: 30m life waterproof 5. Diameter: 40mm 6. Thickness: 12mm 7. Watch circumference: 20cm 8. A high-performance chronograph with a top speed of 400 miles or kilometers per hour 9. High-definition luminous coating, clear when reading at night 10. Equipped with a sealing waterproof ring to enhance the anti-fog function
