BOLYTE Watch Men's Automatic Mechanical Watch Strap 22mm Waterproof Watch Band Tourbillon Fashionable Sports Watch Men's Outdoor Watch Leather Strap

Digital dial, calendar function, easy-to-wear leather strap, stop seconds function. The product needs to be manually wound, and while wearing for a long time, you can increase the power reserve function of the watch by shaking your arm, The classic design of the watch is young, fashionable and sporty. Specifications: Leather strap, mineral hardened glass, no bathing or swimming while wearing the watch, The watch needs to be manually wound 15-20 times before wearing, and waving your arm while wearing will add power to the watch. Note: While wearing the watch, the winding should not exceed 20 revolutions as overwinding may damage the movement.