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Optimum Time Series 3 Race Sailing Watch Jumbo Case OS315

OT-OS3

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Still the most popular sailing watch in the Optimum range. Recent updates have improved the battery life and made the watch even more robust.

  • Large 65mm overall ABS case
  • 38mm x 20mm display size
  • Massive 16mm digit height
  • Single row display
  • Adjustable Viewing Angle
  • Boom/Mast Mount Bracket Supplied
  • Elasticated Strap for Wrist or over sleeve wearing
  • 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, 3 minute and multiples of 1 minute programs as well
  • “Sync Button” for instant synchronisation if a gun is missed.
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Optimum Time Series 3 Race Sailing Watch Jumbo Case OS315
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