watchs red face aqua terra ryder cup watch blue dial watchs 42mm automatic mechanical stainless steel glass back sports sea mens wristwatche, 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 wear: 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.syi