Go sleek, sharp and bold with the new green band and dark gray IP bezel GM2100B-3A, a metal-clad octagonal take on the original iconic design. Stainless steel with rounded hairline finish Vapor deposition finish dial Detailed square dot texturing on the wristband World time 1/100-second stopwatch 5 daily alarms Hourly time signal Button operation tone on/off 12/24-hour format Double LED light Mineral glass Resin band Shock resistant 200-meter water resistance 49.3 × 44.4 × 11.8 mm Style: gm2100b-3a Color: Dark Grey Material: Resin / Stainless steel