MY-H3-CMovement type: quartz movementMovement model: Miyota 2115, JapanMovement function: 3-pin/calendar, Japanese original batteryBattery model: SR626SWCase material: 316L stainless steelCase process: wire drawing+polishingBottom cover material: 316L stainless steelBottom cover type: screw-in solid bottom coverCase diameter: 41mm (excluding crown)Case length: 48mm (upper and lower total length)Shell thickness: 13mm (including lens and bottom cover)Case ear position: 20mm (position connecting case and strap)Watch weight: 163g (including steel strap)Watch length: 220mm (total watch length/circumference)Strap material: stainless steel+full sash strapMirror material: mineral glassMirror type: convex mineral glassMirror coating: anti-glare blue coatingMirror size: 30.5 * 2.5mm (diameter * thickness)Crown type: screw-in screw crownCrown size: 7.00mm (diameter)Ring material: stainless steelBaffle function: one-way rotationFrame size: 37.98 * 30.60 * 2.00mm (outer diameter * inner diameter * thickness)Surface color: enamel blackSurface luminescence: 240000/KG Swiss BGW9 super luminous powder, blue lightSurface size: 29.50 * 29.00 * 29.00 * 0.4mm (line hole * surface diameter * open surface * thickness)Watch needle technology: blue glow of the face embroidery needleDial luminous: 240000/KG Swiss BGW9 Super luminous powder, blue lightPointer size: 7 * 11 * 11 (hour hand * minute hand * second hand length)Waterproof grade: 200 meters waterproof/diving [can wash hands, swim, dive, meet all daily waterproof requirements]Exhaust valve: noneWarranty period: three years free warrantyPackaging standard: professional waterproof plastic box packaging