SAILING WATCH- OPTIMUM SAILING, OS310 JUMBO

OS Series Sailing watch, model: OS310JUMBO, white. Features: Large 65 mm overall ABS case; 38 x 20 mm display; Massive 16 mm digit height; Adjustable viewing angle; Boom/Mast mount bracket supplied; Timekeeping mode (12 or 24 Hours); Water resistant to 5 ATM; Shock resistant construction; Calendar function (date/month); Alarm; Special sailing functions with audible alarm; 5 – 4 -1 – 0 ISAF start sequence; Countdown and up to show elapsed time for handicap races; 5 minute, 3 minute and multiples 1 of minute program as well; “Sync Button” for instant syncronisation if a gun is missed; Electro luminescence backlight.