The Optimum Time Sailing Watch OS367 is full of specialist sailing functions.

• Display size 38 x 20 mm
• Overall ABS case size 65 mm
• 2-row display: Large 9-mm high upper digits and 5-mm lower digits
• Adjustable viewing angle
• Positive click buttons
• Boom/mast mount bracket supplied
• Elasticated strap for wrist or over-sleeve wearing
• Water resistance 5 atm
• Shock-resistant construction
• Easy function selection via dot matrix display
• Ability to view real time and sailing time together
• Normal timekeeping mode (12 or 24 hour format)
• Calendar function (date/month or month/date)
• Alarm function (for wake up calls etc)
• 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)
• 5 minute, 3 minute and multiples of 1 minute programmes
• 'Sync button' for instant synchronisation if gun is missed
• Tide predictor to give indication of high and low tide for 3 locations on any date
• Tide graph to show state of the tide at the present time
• Electronic compass with arrow to point at target
• Indication of position of North, plus 3-digit bearing reading to within 1°
• Cardinal bearing shown on dot matrix panel (e.g. NNW)
• Declination (variation) angle adjustment for worldwide use
• Electo-luminescent backlight feature
• Low battery indicator