perfect men watches 116503 116519 40mm meteorite dial diamond two tone steel strap movement automatic mechanic waterproof men's wristwa, Slivery;brown

the internal function of the new mechanical watch is almost zero, and it needs to be manually wound before wearing it for the first time after receiving the watch, you should rotate it anticlockwise, and then rotate it clockwise for 30 cycles to reserve energy for normal operation. adjust the calendar: please do not actively adjust the calendar between 22.00~2.00, this may cause damage to the movement.syi