The new Casio G-Shock Octagon GM-2100 Men\'s Watch takes on the iconic 2100 octagonal shape, boasting a simple yet bold design perfect for any adventure.At A GlancePresented on a green resin strap49.3 x 44.4mm case size with 200m water resistanceStainless steel with a rounded hairline finishGreen dial is treated with a vapour deposition finish for a metallic lookDigital sub dial and second sub dial at 9 o\'clockFunctions such as World Time, Stopwatch and a Timer