1. Case material: aluminum alloy 2. Bottom cover material: stainless steel 3. Strap material: silicone 4. Strap buckle: stainless steel 5. Strap width: 22mm 6. Maximum wrist circumference: 24cm 7. Battery model: CR2016 8. Waterproof level: 50 meters 9. Dual pointer and digital display: physical pointer automatically synchronizes digital time 10. The minute and hour hands automatically rotate to indicate function icons 11. With EL backlight, luminous dial + luminous hands, clear countdown at night 12. With air pressure measurement, 7-level air pressure indication, altitude, temperature measurement, alarm clock reminder and other functions
