carnival womens skeleton automatic mechanical synthetic sapphire crystal rose gold stainless steel lady sapphire waterproof white watch (rose gold/balck face) carnival originated in the united states in the 20th century. it has manufacturing and assembly plants in asia and the united states. <br><br>focuses on the production of high-end watches, using top-grade materials, focusing on stable performance and cost-effective.<br><br> model: 8685l <br><br> case diameter: 33mm<br><br> watchband length: 8 inches (adjustable / delete strap link)<br><br> weight: 105 grams (without the removal of the strap link)<br><br> movement: seagull automatic movement, support automatic winding and manual winding, (please manually wind when the first time to wear it)<br><br> we provide complete after-sales service and technical support in the us, if you have any questions, please feel free to contact us.<br><br> <br><br><br> automatic watch knowledge introduction<br><br>a watch mechanically powered by the wearer's arm rather than by human turning the winding stem. in response to this motion, <br>a rotor turns and winds the watch's mainspring so that it twips accurate time. each movement of your arm winds the spring the tanyest bit, <br> but since you move your arm so much it keeps the watch wound easily. the spring in the watch stores enough energy to keep the watch going for 36 hours, <br> if an watch is not worn for a day or two, it will need to be wound by hand to restart again.