? STYLISH DESIGN: Minimalist men's automatic mechanical wrist watch, follows Bauhaus style, with special scratch resistant mineral 2.5D arc hyperbolic mirror. 316L stainless steel case. Transparent back design, you can see the watch’s movement clearly and completely.
? BATTERY FREE: As an automatic mechanical watch, it doesn’t need battery, wrist movement provides energy, full energy can power up to 35 hour. Please use at least 10 hours a day. If your arm moves less, you will not get enough power to drive the watch, so that the watch will work slowly and cause a large deviation.
? MOVEMENT: OBAO Automatic self-wind movement, over 110 individual intricately moving parts and 20 jeweled movements provide energy for the watch. One minute deviation a day is normal. According to customers feedback, our watch's deviation is about 30-40 seconds a day.
? MULTI-FUNCTION DIAL: Normal time display; small two dials, one shows energy storage display, another one shows stop watch; date calendar window at 6 o’clock.
? WATERPROOF: Water resistant to 30 meters in general, withstands rain and splashes of water, but not suitable for bathing, swimming or diving. All watches in our store will enjoy 2 years warranty. Enjoy 100% money back guarantee within 30 days. For any questions, please feel free to contact us.