39mm Mens Watch VK63 Movement Blue Sapphire Glass Business Style Mens Watch Made of Stainless Steel Water-Resistant Watch

Watch brand: OUMASHIMovement model:vk63 movementMovement function:‌ chronograph function ‌ : can be used for accurate timing ‌‌ luminous function ‌ : easy to use in the dark ‌‌ waterproof function ‌ : suitable for all kinds of underwater activities ‌Case material: stainless steelCase technology: Shiny caseBack cover material: stainless steelBack cover type: screw-in solid back coverCase diameter: 39.3mm (excluding crown)Case length: 48mm (total length of top and bottom)Case thickness: 13mm (including lens and caseback)Case ear position: 20mm (where the case and strap are attached)Watch length: 220mm (total watch length / circumference)Strap material: Stainless steel shiny strap/rubber strapGlass material: sapphire glassBezel material: Ceramic chronograph bezelBezel size: 39.3mmSurface luminescence: C3 greenSurface size: 29mmNeedle technology: Green luminousWater resistance level: 10ATM meters waterproof / diving [can wash hands, swimming, diving, to meet all daily waterproof requirements]Exhaust valve: noPackaging standards: professional waterproof plastic box packaging Avoid damage to the watch during transportation