Product Details:
Movement type: automatic mechanical movement
Movement model: Japan NH35A
Movement features: 3 hands/calendar, 21600 times per hour (3Hz) frequency, second stop device, two-way automatic winding, 24 gemstones, 41 hour energy storage.
Case material: 316L stainless steel
Case process: wire drawing+polishing
Bottom cover material: 316L stainless steel
Bottom cover type: screw in bottom cover
Case diameter: 39mm (excluding crown)
Case length: 48mm (total length from top to bottom)
Shell thickness: 14.5mm (including mirror and bottom cover)
Ear size: 20mm
Weight of watch: 151.5g (including steel band)
Watch length: 220mm (total watch length/circumference)
Applicable wrist range: 140-210mm
Band material: solid stainless steel
Mirror material: synthetic sapphire
Mirror coating: anti glare blue coating
Crown type: screw in crown
Crown size: 6.5mm (diameter)
Surface color: 3D white, 3D blue
Surface luminescence: None
Surface dimension: 30.8 * 32 * 32.5 * 0.4
Pointer process: time division needle ridge back silver+IP blue seconds
Indicator light: None
Pointer size: 10 * 13.75 * 14
Waterproof grade: 100m waterproof/diving [can wash hands, swim and dive, meeting all daily waterproof purposes]
Exhaust valve: None
Warranty period: 10 years free warranty
