Japanese NH35 movement: The Japanese NH35 automatic movement is very fine and precise. With calendar function, the frequency is 21,600 times per hour (3Hz), with stop seconds, automatic two-way elevator, 24 stones, 41 hours of energy storage. This clock does not require a battery. If you wear them for less than 10 hours a day, you can wind them up manually to increase the performance of the watch. When using the watch for the first time, rotate the crown approximately 20 revolutions
Waterproof up to 200m / 20bar: can be worn for daily diving / sea sports / expeditions
Customer service: The professional plastic adventure watch box protects the watch and presents the atmosphere. We will replace your product within 90 days without giving a reason with a 2-year guarantee and 24-hour customer service. If you have any questions, please contact our customer service. We will help you solve the problem.