mens luxury watch 116400 40mm bp maker asia 2813 sapphire glass luminous mechanical watches 316l stainless steel bracelet wristwatches, Slivery;brown

winding: 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 stainless steel is resistant to falling but not abrasion-resistant, so small wear marks are prone to appear adjust the calendar: please do not actively adjust the calendar between 22.00~2.00, this may cause damage to the movement qc quality inspection stable movement.syi