Ew Factory 40Mm Mens Wristwatch 3255 Automatic Movement Stainless Steel Strap Sapphire Glass Luxuy Men's Watches

watch case 40 mm,stainless steel Case structure Integrated middle watch case, screw in bottom cover and upper chain watch crown Outer ring Triangular pit pattern Upper list crown Screw in type, double buckle lock, double waterproof system Mirror Scratch resistant blue crystal, small window convex lens to enlarge the calendar Movement Constant movement of automatic chain feeding machine function Central hour, minute and second hand; Quick adjustment instantaneous jump week calendar; Second hand pause function to accurately adjust the time