Casio G-Shock - GMAS2100 Series - Vibrant Series Samurai It also uses Citizen’s proprietary

It also uses Citizen’s proprietary Eco-Drive technology

Black Museum Dial With Silver-Toned Dot And Hands

Featuring a black-ion case and a razor-sharp shark tooth dial

an innovative steel prized for its nearly indestructible nature

Safety Fold Over Clasp with Push Button Case Size 45mm Case Material Silver-Tone Stainless Steel

Casio G-Shock - GMAS2100 Series - Vibrant Series Samurai It also uses Citizen’s proprietaryBrighten up your summer days with some vibrant G SHOCK color. The GMAS2100 features a flat dial and simple bar indexes, each of the components bringing a different color to your fun and festive celebration of the sunniest time of year. Specifications Size of case : 46. 242. 911. 2mm Total weight : 41g Case bezel material: Carbon Resin Resin Band Mineral Glass Neobrite Shock Resistant Carbon Core Guard structure 200 meter water resistance Double LED