Optimum Time OS Series 15 Sailing Watch Grey

This grey OS15 is slightly smaller than the larger Optimum Time models with its medium-sized 29mm display, but still retains all the functionalities needed for a good sailing watch. The OS15 features a soft silicone wristband and includes a synchronization function.

• Plastic casing
• Sailing functions with audible signals
• 5, 4, 1, 0 start sequence
• Countdown
• Synchronization
• Soft silicone wristband
• 12-24 hour time display
• 29mm display with 12.5mm digits
• Shock-resistant
• Water-resistant up to 5 ATM
• Easy-to-operate buttons
• Backlight function
• Sound can be turned on and off

The countdown can be set to restart from 5:00 at the starting signal. It is also possible to have the watch count up after the signal.