Black ABS case with removable silicon strap Heavy-duty polished stainless steel buckle Large 39mm viewing area Round 28mm diameter display size Large 9mm digits in normal mode Massive 19mm digits for final 59 seconds 3 Row display to show time and timer together Soft Silicon Strap for maximum comfort Water Resistant to 5 ATM Shock Resistant Construction Normal Timekeeping Mode (12 or 24 hour) Specialist Sailing Timer Functions: Countdown Repeat option or Countdown and Up to show elapsed time for handicap races 5 4 1 0 ISAF start sequence pre-programmed with audible warning signals (can be silenced if preferred) 5 minute and 3 minute pre-programmed options User selectable 1 minute periods – ideal for match racing Sync Button . The famous Optimum Time invention to quickly get back to Race time if the gun is missed Count-up from zero if required to time a match Electro-luminescence backlight feature.