Casio G Shock Tough Solar Series GR 8900A 1D GR8900A 1D Sports Men's Watch Case 15mm Features: Stainless Steel Case Stainless Fila Black Features: Stainless Steel Case Stainless Steel Bracelet Caliber 4207 Automatic Movement 21 Jewels Scratch Resistant Hardlex Crystal Glass Brown Dial Luminous Hands and Markers Sweeping Second Hand Push Button Deployment Clasp Screw Down Case back Day and Date Window At 3 O'clock Position 30M Water Resistance Case Diameter 26mm Case Thickness 11mm Features: Stainless Steel Case Stainless Steel Bracelet Automatic Movement Caliber: VD51B Mineral Crystal Black Skeleton Dial Analog Display See Through Case Back Deployment Clasp 50M Water Resistance Approximate Case Diameter: 44mm Approximate Case Thickness: 11 99'' Countdown timer 5 independent daily alarms (4 one time alarms and 1 snooze alarm) Hourly time signal Battery power indicator Power Saving Full auto calendar (to year 2099) 12 24 hour format Button operation tone on off Regular timekeeping Accuracy ±15 seconds per month 200 meter water resistance Size of case total weight 55 Features: Resin Case Resin Band Mineral Glass Shock Resistant Solar powered LED Backlight Full auto light switch World time 31 time zones (48 cities + coordinated universal time) 1 100 second stopwatch Measuring capacity 2359'59