
Optimum OS315 Big Yellow Sailing Watch
This is the big yellow watch you see on every other persons wrist when out racing. As you can tell, it has a big screen and excellent countdown features which will help you get that excellent start!
The original and iconic ‘big yellow timer’ is still the top choice for competitors around the world today. If you need a robust timer, with an easy-to-read display, and exceptional sailing functionality, then this is the one for you. The OS3 can be strapped to a mast or comfortably worn over your sailing kit. The face rotates to give you the best viewing angle and the big buttons mean you won’t be left fumbling when the race is about to begin. The OS3 also features our essential sync button, which synchronises your countdown to the race control timer, ensuring you won’t miss the gun.
- 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