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RF4055 ClearStart™ 50mm Sailing Watch - Black/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.
This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.Specifications:
- Type: Watches
- Box Dimensions: 3"H x 3"W x 5"L WT: 0.2 lbs
- UPC: 9316800574605
Quick Guide (pdf)
FAQs
Product & Usage
1. Are KRANK tools built for professional use?
Yes, all our tools are engineered for heavy-duty performance and long-term reliability.
2. Are KRANK tools safe to use for beginners?
Yes, our tools are designed with safety features and easy handling in mind.
3. Can KRANK tools be used in extreme conditions?
Yes, they are tested to perform reliably in demanding environments.
Maintenance & Accessories
1. What maintenance is required for the tools?
Regular cleaning and proper storage are usually enough to keep your tools in top condition.
2. Can replacement parts or accessories be purchased separately?
Yes, we provide compatible parts and add-ons to extend the life of your tools.
3. Do you provide instruction manuals or usage guides?
Every tool comes with a detailed user manual, and digital guides are available online.
Warranty & Guarantee
1. Do the tools come with a warranty?
Every KRANK tool includes a 1-year warranty, with extended options available on select products.
2. How do I register my KRANK tool for warranty coverage?
You can register online using your product serial number for faster support.
3. What does the warranty cover?
It includes defects in materials and workmanship under normal use conditions.
4. Is there an option to extend the warranty?
Yes, extended warranty plans are available for select tools at checkout.
Purchasing & Support
1. How fast is shipping and delivery?
Orders ship within 24 hours, and delivery typically takes 3–5 business days.
2. Do you offer bulk or corporate purchasing options?
Yes, KRANK provides special pricing and packages for business or team orders.
3. How can I contact customer support if I need help?
You can reach our support team by email or phone — we’re here to assist you.
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