Men Watch Nautilus Annual Calendar 5980 Blue Dial 40mm Automatic Mechanical 904L Steel Strap Glass Back Sports Mens Watches with box and papers

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 QC quality inspection stable movement.syi