Optimum times OS Series: 3 - Race Watch

The OS3 Big Yellow Timer is the iconic sailing timer trusted by competitors worldwide. Designed for robustness, visibility, and precision, it’s ideal for race countdowns and timekeeping. The timer can be strapped to a mast or worn over sailing gear, with a rotating face and large, easy-to-use buttons for quick operation during critical moments.

Constructed from a 65mm ABS case with shock-resistant design and water resistance to 5 ATM, it features a 38mm x 20mm single-row display with 16mm digits and an electro-luminescent backlight for clear visibility in all conditions.

The OS3 includes a boom/mast mount bracket, adjustable elasticated strap, and full countdown, count-up, and repeat functions. Pre-programmed ISAF start sequences (5, 4, 1, 0 minutes) or custom 5, 3, 1-minute countdowns with optional audible alarms make it perfect for competitive sailing. The sync button ensures your countdown matches the race control timer, eliminating the risk of missing the start. Normal 12/24-hour timekeeping is also included. Ideal for sailors seeking precision, durability, and ease of use.