Optimum Time OS Series 3 Sailing Watch Black

The Optimum Time OS Series 3 is the most widely used sailing watch. With its many functions, elastic band, and 38mm display, this watch is ideal for competitive sailors.

• Most widely used sailing watch
• Colour: black
• Plastic casing
• LCD display
• Sailing functions with sound signal
• 5, 4, 1, 0 start sequence
• Stopwatch
• Countdown
• Synchronization
• 12-24 hour time display
• 38mm display with 16mm digits
• Shock-resistant
• Elastic band
• Sound on and off options

The countdown can be set to restart at 5:00 after the starting signal. It is also possible to let the watch count up after the starting signal. In this case, the countdown can be set to 10:00, 15:00, 20:00, 25:00, 30:00, 35:00, 40:00, 45:00, 50:00, and 55:00.

Sound during countdown:

• 1x at 4:05
• 1x at 4:04
• 1x at 4:03
• 1x at 4:02
• 1x at 4:01
• 3x at 4:00
• 3x at 3:00
• 3x at 2:00
• 1x at 1:05
• 1x at 1:04
• 1x at 1:03
• 1x at 1:02
• 1x at 1:01
• 3x at 1:00
• 2x at 0:50
• 2x at 0:40
• 2x at 0:30
• 2x bij 0:20
• 1x bij 0:15
• 1x bij 0:14
• 1x bij 0:13
• 1x bij 0:12
• 1x bij 0:11
• 2x bij 0:10
• 2x bij 0:09
• 2x bij 0:08
• 2x bij 0:07
• 2x bij 0:06
• 3x bij 0:05
• 3x bij 0:04
• 3x bij 0:03
• 3x bij 0:02
• 3x bij 0:01
• 1x long at start