Skeleton Automatic Watch: The barrel-shaped design of the watch is based on the arc geometry that fits the wrist best, and is more comfortable when used. The workings are laid bare on the skeleton dial, allowing you to see the movement directly. The crown resembles the wheel of a sports car. Aerospace Grade Material: Frame of carbon fiber, containing 90% carbon is a very hard material, not only makes the case lighter, but also ensures ideal shock resistance.12 stainless steel 316L screws assembling the case are beveled and polished. Weight only 97g.This model is suitable for wrist circumference around 140-260MM, please measure your wrist perimeter before purchasing. Sapphire measures 9 on Mohs scale and has the same hardness as natural gemstones, capable of absorbing shocks without damage. It is more durable and scratch-proof than mineral mirrors. Featuring high-quality fluoroelastomer, the strap is water-resistant and corrosion-resistant. Automatic Movement SEIKO NH05: Japanese movement provides a precise time and a storage of energy over 40 hours. It is powered by the natural movements of your wrist. Mechanical watches must be worn at least 8 to 10 hours a day, if it does not get enough energy, please wind your watch manually by rotating the crown about 20 laps. Waterproof of 5ATM: Suitable for rain, cold bathing, not for swimming, snorkeling, diving, or hot springs. All the watches in our shop enjoy 1 year's warranty and 30-day 100% money back guarantee. If you have any questions, welcome to send emails to us, we are always at your service.
