Features: Lightweight and compact, it is very suitable for storage in safes and cloakrooms. Ultra-quiet full gear motor, stable working performance, with fine durability. High-elastic memory foam watch pillow cushion, soft and comfortable. Equipped with silicone pad on the bottom of the box, anti-slip and wear resistant, can provide long service time. Equipped with a USB cable, it can directly supplys power to this product when connected to a recharge pal, which makes the product long lasting and more economical. The product is vertical wind up design, and the winding effect is perfect. It is suitable for almost all watches with automatic winding up function of mechanical watches. Two gears available, you can choose according to your demands. Gear 1: Forward rotation for 2 minutes, stop for 6 minutes, reverse for 2 minutes, stop for 6 minutes, and repeat the cycle. Gear 2: rotate forward for 5 minutes, then reverse for 5 minutes, continue to circulate for 3 hours, stop for 9 hours, and then repeat the cycle. Note: Gear 1 is suitable for short-term use, and gear 2 is suitable for long-term use (If some mechanical watches adopt the gear 2 and the chain cannot be wound up normally, you can choose the gear 1)