Ronstan RF4055 ClearStart 50mm Sailing Watch - Red and Grey with Race Functions

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. Ronstans 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 worlds top sailors, ClearStart watches and timers are sure to set the standard for years to come. If youre 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 combines bold styling with advanced sailing features, making it an essential tool for competitive sailors. Designed with input from top sailors worldwide, this watch offers a large, easy-to-read display, intuitive programming, and durable construction suitable for demanding racing environments. Its sleek red and grey design ensures visibility on the water, while the lightweight silicone band provides comfort and resilience during extended use. The watch’s impact-resistant mineral crystal lens and glass-reinforced polycarbonate case enhance durability, ensuring it withstands the rigors of race conditions and outdoor exposure.
Equipped with multiple race mode options, the RF4055 supports various start sequences including World Sailing standards, match racing, and user-defined settings. The synchronized countdown and loud start signals help sailors stay on track, with features like countdown repeat, elapsed race time, and fast access to race and time modes. Its water resistance up to 50 meters (150 feet) makes it suitable for most sailing conditions. Additional functionalities such as a daily alarm, chronograph with hours and minutes, luminescent backlight, and battery-saving mode ensure versatile performance both on and off the water.
Built for durability and ease of use, the RF4055 also features a recessed lens for impact protection, textured easy-find buttons for quick operation, and a flexible, comfortable silicone strap. Whether used in competitive racing or daily life, this watch offers a comprehensive set of tools for sailors who demand precision, reliability, and style from their timing device. The RF4055 is an excellent choice for those seeking a professional-grade sailing watch that delivers performance and durability in a bold, easy-to-read design.

Features:

• Mineral crystal lens for improved clarity and durability

• Recessed lens in case for enhanced impact resistance

• Glass-reinforced polycarbonate case for increased durability

• Flexible injection-molded silicone band for comfort and resilience

• Lower profile with textured easy-find buttons for quick operation

• Bold styling ensures high visibility on the water

• Time display available in 12 or 24-hour format

• Date format options include month/day or day/month

• Daily alarm for reminders and alerts

• Chronograph function with hours and minutes

• Luminescent backlight for visibility in low light conditions

• Battery saving mode with adjustable light settings

• Shock resistant construction for durability in tough conditions

• Multiple race start sequence options including World Sailing standards

• Synchronization feature to re-align countdown if started late

• Multi-line display showing start sequence and race time

• Loud countdown and start signals for clear communication

• Countdown can be repeated or set to count up for elapsed time

• Fast access to race and time modes for quick adjustments

• Water resistant up to 50 meters (150 feet) for sailing environments