41mm Black Mens Watch VK63 Movement Automatic Calendar Ultra-Elegant Six-Hand Wristwatch sapphire Crystal VK63 Watch

Watch brand: OUMASHIWatch styles: Fashionable and casual. Business. EventMovement type: Japanese VK63 quartz chronograph movementThe function of the watch movement: The button on the upper right corner is to start the chronograph function. Press the button on the upper right corner again to set the chronograph time. If you need to reset the chronograph time, please press the button on the case at the lower right corner to reset the chronograph time! Easy to operate but prone to wear and tearShell material: 316L stainless steelBack cover material: 316L stainless steelRear cover type: screw-type solid rear coverCase diameter: 41.5 mm (excluding the crown)Case thickness: 14.86mm (including the lens and back)Case lugs position: 20mm (at the connection between the case and the strap)Watch length: 220 millimeters (Total length of the watch/circumference)Strap material: Stainless steel + fully frosted strapGlass material: Sapphire glassGlass type: Convex sapphire glassMirror coating: High-definition sapphire transparent glassCrown type: screw-down crownFrame size: 38.5mmDial luminescence: C3 green luminescenceDial size: 32.5 millimetersNeedle-making process: High-quality pointer +C3 luminescenceWaterproof/Diving [Can wash hands, swim and dive, meeting all daily waterproof requirements]Exhaust valve: None