RF4055 - Ronstan ClearStart™ 50mm Sailing Watch - Red/Grey

RF4055 ClearStart™ 50mm Sailing Watch - Red/Grey

Innovative Race Functions with Bold Styling

Ronstan has taken the popular 50 mm (2") size and features you love and added more durability, comfort, and ease of use to our design. Ronstan’s ClearStart™ race timer and watches combine contemporary styling with true sailing functionality. They feature large buttons, easy to read displays and advanced intuitive programming designed specifically with the racing sailor in mind. Developed with input from some of the world’s top sailors, ClearStart™ watches and timers are sure to set the standard for years to come. If you’re looking for a simple competitive edge, the difference is ClearStart™.

Features:

• Acrylic lens replaced by mineral crystal lens for improved clarity and durability
• Lens recessed in the case to improve impact resistance
• Glass-reinforced polycarbonate case now more durable
• A more flexible injection molded silicone band, which is more comfortable and more durable
• Lower profile and textured "easy-find" buttons
• Bold styling helps the 50mm ClearStart™ range stand out from the crowd
• Time, hours/minutes/seconds – 12 or 24 hour format
• Month/day or day/month format
• Daily alarm
• Chronograph - including hours and time of the day
• Luminescent backlight
• Battery saving mode – light can be turned off
• Shock resistant

Specifications:

• Time, hours/minutes/seconds – 12 or 24 hour format
• Month/day or day/month format
• Daily alarm
• Chronograph - including hours and time of the day
• Luminescent backlight
• Battery saving mode – light can be turned off
• Shock resistant

Race Mode:

• Multiple start sequence options – World Sailing 5,4,1,0, match racing, user set
• SYNChronization function – resynchronize if you start the countdown late
• Multi-line display – start sequence + time
• Loud intuitive countdown and start sound signals
• Countdown repeat, or count down and up (for elapsed race time)
• Separate fast access race and time mode scrolling
• Water resistant to 5 ATM (50m/150ft)

The RF4055 models will have the popular ClearStart™ race sequence functions, as well as daily-life functionality.

The Ronstan RF4055 ClearStart� 50mm Sailing Watch is designed for racing sailors requiring precise timing and durable construction. This watch integrates race-specific functions with general timekeeping capabilities. It features a 50mm display for readability and is built with a mineral crystal lens recessed into a glass-reinforced polycarbonate case to enhance impact resistance and clarity. The injection-molded silicone band offers improved comfort and durability.

Key features for racing include multiple start sequence options (World Sailing 5,4,1,0, match racing, user set) and a SYNChronization function to adjust countdowns. The multi-line display shows the start sequence and current time simultaneously, supported by loud, intuitive sound signals. Beyond race mode, it provides standard time, daily alarm, and chronograph functions. The watch is water-resistant to 5 ATM (50m/150ft) and includes a luminescent backlight and battery-saving mode. This device is suitable for individuals who need a reliable, purpose-built timing tool for competitive sailing environments.