✈ Japanese imported movement, Japanese battery, long endurance, precise timing, original quartz and electronic movement, dual time zone, analog and digital display ✈ Imported PC material shell, hard and durable, stainless steel buckle, free buckle, convenient and comfortable, Germany high quality PU strap, soft and comfortable, high elastic PU protective glue to effectively protect the wrist, shockproof, anti-fa ✈ High transparency resin mirror, mirror surface is made of imported high transparency resin, strong hardness, pressure resistance, imported high frequency welding technology, good waterproof performance ✈ 50 meters waterproof, stainless steel bottom cover, better waterproof performance. Bathing, swimming can wear outdoor digital watches at random, Note: Please do not press any button in the water, or wear this watch for long-term underwater activities ✈ 100% Satisfaction Guarantee: We care about our customers. Each watch has a 24-month warranty and a 90-day full money back guarantee. If you have any questions about our products, please contact us at Amazon for a full refund or free replacement, no problem!