Optimum Time OS 1456R Rechargeable Sailing Watch

OS1456R Features

• Large RED 68mm overall ABS case
• Round 36mm diameter display size
• Large 13mm digits in normal mode
• Massive 23mm digits for final 59 seconds
• 3 Row display to show time and timer together
• Adjustable viewing angle
• Boom/Mast mounting bracket supplied
• Will also attach to mast/boom via elastic
• Elasticated Strap for wearing on wrist or over sleeve
• Water Resistant to 5 ATM
• Shock Resistant Construction
• Buttons widely spaced for easy operation when wearing gloves
• 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
• Rechargeable battery giving extra power and very long life
• Bespoke USB charger clamp included for convenient charging
• Vibration alarm to coincide with beep sound. For when it's either
  too noisy to hear the beeps, or you don't want them heard by others.
  The vibration and the sound are both individually switchable