Self winding Automatic Watch: This men’s watch uses Miyota 8205 automatic mechanical movement providing the accurate time, 21-jewel. Timepiece is powered by the natural movement of your arm, no battery needed. It is better to wear it at lease 10 hours a day, if not, you need manually wind it up at a fixed time to get energy for the watch. Please rotate the crown about 20 laps when using the watch for the first time.
This is an official BERNY Automatic Mechanical Dive Watch for Men Self Winding Sport Silicon Strap Wristwatches Waterproof 20ATM Sapphire Glass Scratch Resistant Super Luminous（No Battery Required that the BERNY Automatic Mechanical Dive Watch for Men Self Winding Sport Silicon Strap Wristwatches Waterproof 20ATM Sapphire Glass Scratch Resistant Super Luminous（No Battery Required players wear on the field during the course of a game and this BERNY Automatic Mechanical Dive Watch for Men Self Winding Sport Silicon Strap Wristwatches Waterproof 20ATM Sapphire Glass Scratch Resistant Super Luminous（No Battery Required is made of 100% polyester and is machine washable.
Heavy duty: The case of our Berny automatic watch is made of hardened brushed stainless steel up to HV600 surface hardness. The material for the surface lens and the exhibition back cover are sapphire glass, excellent scratch resistance. The silicon watch strap can be deeply waterproof.
Multifunctional: Day and date at 3H; screw-in crown; super luminous hour marker and hands; 20ATM water proof, easy to cope with the daily waterproof requirements, can also be able to handle swimming, adventure, and even diving level waterproof requirements.
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Unique features: The countdown bezel for this dive watch allows you to measure the time remaining in an event, either before the event begins or after it has started.
Satisfied Services: Offering a perfect experience, we provide 30 days return without reason, 100% to have after- sales services for your satisfaction, if you have any question, please contact us at any time.
