Optimum Time OS Series 11 Sailing Watch Optimum Time Series 11 Race Timer a superb race timer aimed at the novice sailor with all the basic functionality required. The OS Series 11 is a water resistant watch which features time of day a calendar a time of day alarm a count up (from zero) timer and a programmed countdown timer with alarm. The countdown timer can be set to countdown to zero and count up again or to countdown to zero and the repeat the programmed period. Once the countdown timer is running the start/stop sync and mode buttons are the only ones that will have a function. At any time a button is pressed that is going to have any functions the alarm sounds a single beep. Features: ABS case with integrated soft touch PU Strap. Heavy-Duty stainless steel buckle. 26mm round display size. Large 10mm digit height. Information displayed on a single row. Water Resistant to 5 ATM. Shock Resistant Construction. Normal Timekeeping Mode Alarm Function (12 or 24hour). Calendar function (date/month or month/date). Alarm function (for wake-up calls etc. Specialist Sailing Functions: Countdown repeat option or Count-down and count-up functions for handicap races. Pre-programmed 5 4 1 0 ISAF start sequence with audible warning signals (which can be silenced if preferred). 5 minute 3 minute and multiples of 1 minute programs as well. Sync Button for instant synchronisation if gun is missed. Electro-luminescence backlight feature for dim light conditions.
