Ronstan RF4055A ClearStart 50mm Sailing Watch Black/Grey

The Ronstan RF4055A ClearStart sailing watch combines advanced race timing functionality with bold styling in a durable 50mm (2") design. Developed with input from world-class sailors, this watch features an upgraded mineral crystal lens for superior clarity and impact resistance, housed in a reinforced glass-reinforced polycarbonate case. The flexible injection-molded silicone band provides all-day comfort on the water.

Race Functions:

• Multiple start sequence options including World Sailing 5,4,1,0, match racing, and user-programmable sequences
• SYNC function allows resynchronization if countdown is started late
• Multi-line display shows start sequence and time simultaneously
• Loud intuitive countdown and start sound signals
• Countdown repeat mode or count down and up for elapsed race time
• Separate fast-access race and time mode scrolling

Enhanced Design Features:

• Mineral crystal lens recessed in case for improved impact resistance
• Lower profile, textured "easy-find" buttons for reliable operation
• Large, easy-to-read display optimized for racing conditions
• More durable and flexible silicone band construction
• Luminescent backlight with battery saving mode
• Shock resistant design built for harsh marine environments

Daily Functions:

• Time display in 12 or 24-hour format
• Date display with month/day or day/month format options
• Daily alarm
• Chronograph with hours and time of day tracking
• Water resistant to 5 ATM (50m/150ft)

The RF4055A ClearStart watch delivers professional race timing capabilities with everyday functionality, making it the ideal choice for competitive sailors who demand precision timing and durability in all conditions.