Watch Back：Steel Back or Glass Back. --- Glass： Sapphire Crystal Glass. --- Case Material： 316L Stainless Steel Case. --- Dial Color： Black/White/Green/Blue. --- Case Size：40mm without crown. --- Case Thickness：12mm thickness.
Watch Back：Solid Back/glass back. --- Dial Color： Black/Green/Blue/White Dial With Luminous Hands. we will communicate with you to resolve all troubles perfectly. --- Case Thickness：12mm. --- Band Width：20mm.
Luminous Dial marks and hands. Case Material : Solid 316L stainless steel case. Case thickness :15.2m. we will communicate with you to resolve all troubles perfectly.
>Strap material Stainless Steel Bracelet/Band. >Folding clasp. >Include buckle. >Strap width :20mm.