3a quality men watch black dial mens automatic movement 40mm cal 324 watch classic 5711 watches stainless steel transparent back w314t, 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: ple