40mm Mens Diving Watch NH35 Movement Sapphire Crystal Stainless Steel Automatic Mechanical Watch

atch brand: OUMASHI- Clown seriesMovement type: China NH35 movementMovement function: The NH35 movement is a ‌ automatic mechanical movement designed to meet the demand for cost-effective mechanical movements. Its frequency is 28,800 times/hour, and the accuracy of ‌ travel time is high. With a diameter of 27.4 mm and a thickness of 5.32 mm, the movement is suitable for a variety of case designs. The NH35 movement features 21 ‌ jewel bearings to reduce friction and improve durability and stability.Case material: 316L stainless steelCase technology: brushed + polished (replaceable clear glass back cover)Back cover material: 316L stainless steelBack cover type: screw-in solid back coverCase diameter: 40mm (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 + full brushed sand strapGlass material: sapphire glassCrown type: screw-in crownBezel material: Aluminum ringBezel function: Rotate 120 clicks in one directionBezel size: 38mm*30.8mm (30.5-30.8mm OK)Surface color: 3 colors to choose fromSurface luminescence: C3 green lightSurface size: 28.5mmNeedle technology: Purple watch hands are blue light, the remaining 2 watches are green lightWater resistance level: 10ATM waterproof / diving [can wash hands, swimming, diving, to meet all daily waterproof requirements]Exhaust valve: noPackaging standards: professional waterproof plastic box packaging Avoid damaging the watch in transit