Case Material: 316L Stainless Steel Case Size:42 x 15.8mm Movement: Japan NH35 Hand-Wind Automatic Mechanical Domestic High-Performance Movement 216000 VIP/hz More Reliable and Accurate Time Keeping,time error reach the international standard.(-20S~+20S) Per Day. 36 Hours Power-Reserve Under the full energy, the work will not stop working when you take off it Bezel: Ceramic Bezel/ Sapphire Cola BGW9 Lume(Blue Light)/C3 Lume (Green Light) Dial: Super Luminous BGW9/C3 The Swiss super luminous light mainly relies on the absorption of solar ultraviolet light. Brighter than normal luminous, lasts longer Glass: Double-arc Sapphire Glass Watch Band: Stainless Steel/Waffle Rubber Water Resistance: 300M