39MM 36MM Luxury NH35 Automatic Mechanical Wristwatch Roman Number Men Watches Sapphire Crystal 10Bar stainless steel strap

Watch brand: OUMASHIMovement type: Automatic mechanical movementMovement type :China NH35 movementCase material :316L stainless steelCase process: drawing + polishingBack cover material :316L stainless steelBack cover type: clear glass back coverCase diameter :36mm/39 mmCase length :48 mm (overall length)Case thickness :12 mm (including lens and back)Case ear position :20 mm (where case and band join)Watch length :220 mm (total watch length/circumference)Strap material: Stainless steel 904L folding buckle strapGlass material: sapphire glassCrown type: screw-in crownBezel material: stainless steelSurface size :28.5 mmNeedle technology :C3 greenWaterproof rating :10ATM Waterproof/diving [can wash hands, swim, dive, meet all daily waterproof requirements]