Men''s Eco Drive featuring ring solar technology with date of month feature (not perpetual), high polished finish stainless steel case with glossy blue ABS* plastic accents (appears like blue metal flake paint), mineral glass crystal, stainless steel crown with blue resin enamel accent and Drive logo at end, brushed and polished finish stainless steel screw down caseback (room for engraving), Polyurethane (black) strap (synthetic rubber) with conventional strap buckle, black tone metal dial, black and blue tone hour and minute hands with luminous, black and silver tone second hand (luminous at tip), silver tone applied hour indices (blue non luminous accents on indices at 12-2-4-6-8-10, Luminous accents on indices 1-3-5-7-9-11) Note: ABS plastic is technically Acrylonitrile Butadiene Styrene. This is 30 times stronger than conventional plastics and is used in a wide variety of products such as automotive bumpers, golf club heads, playground equipment, bicycle helmets and many more.