JSDUN Automatic Watch for Men Luxury Diamond Sapphire Gold Watch 100M Waterproof Diving Watch Self Winding Women/men Wrist Watch. Japan Automatic movement, no battery, manual or self winding, providing longer kinetic energy storage and more stable travel time for automatic mechanical watches. 100M diving, unique claw design firmly fixes the sapphire crystal mirror and Roman numeral bezel on the 40MM case, more stronger waterproof watch, can dive or swim. Link band, total length of watch 24CM, exquisite polished and brushed metal surface craftsmanship gives stainless steel link band unique finish, expensive, luxury, and classic. High quality, HD luminous hands, 9-level Mohs hardness sealed sapphire mirror, upgraded scratch-resistant and anti-corrosion. Men's wrist watches, 2 years warranty, exquisite packaging, considerate customer service.