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Description
Ronstan RF4055 ClearStart™ 50mm Sailing Watch - Blue/ GreyRF4055 ClearStart 50mm Sailing Watch Blue 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
RF4055 ClearStart™ 50mm Sailing Watch - Blue/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.Manufacturer Part Numbers: RF4055B
Quick Guide (PDF)
GRP:WRO
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Great toothpaste.
Size: Pack of 1, 4 Ounce, Set name: B. Whitening
This is by far really great toothpaste. I can tell the difference in the color of my teeth. And sometimes my teeth are kinda sensitive to harsh toothpaste. But this is good for sensitive teeth. And minty flavor is not to strong either. Try it. I hope it works for you as well as It does for me. 🤗
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
★★★★★ 4
Gentle and Pleasant to Use
Size: Pack of 2, 1.3 Ounce, Set name: A. Ela Mint
This toothpaste feels gentle on sensitive teeth and has a clean, refreshing taste without being too strong. The texture is smooth, and it leaves my mouth feeling fresh after brushing.
I also like that it uses nano hydroxyapatite instead of fluoride, which makes it an interesting alternative to traditional toothpaste.
Overall, a good toothpaste for sensitive teeth and daily use.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
★★★★★ 5
Gentle and Fresh Everyday Toothpaste
Size: 4.2 Ounce (Pack of 1), Size: 4.2 Ounce (Pack of 1)
This Mysmile Misty Mint toothpaste is a great option for sensitive teeth. It feels gentle, leaves a clean and fresh minty taste, and doesn’t irritate at all. I like that it’s fluoride-free with natural ingredients, yet still helps keep my teeth looking brighter. Simple, effective, and perfect for daily use.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 17, 2026
★★★★★ 5
Impressive Natural Toothpaste for Sensitive Teeth
Size: 4.2 Ounce (Pack of 1), Size: 4.2 Ounce (Pack of 1)
I’ve been using the MySmile Fluoride Free Toothpaste for a few weeks now, and I’m genuinely impressed. I wanted something that could help with sensitivity and enamel health without fluoride or harsh chemicals, and this formula really delivers.The nano-hydroxyapatite ingredient is a great alternative to fluoride it helps strengthen enamel and noticeably reduces sensitivity over time. My teeth feel smoother and cleaner after brushing, and I’ve noticed less discomfort when drinking cold water or eating sweets. The Misty Mint flavor is light, natural, and refreshing not overpowering or artificial. It leaves my mouth feeling fresh for hours, and since it’s SLS-free, it doesn’t cause any irritation or dryness. The texture is creamy, and it foams just enough to feel effective without being harsh. it’s made with natural ingredients, which gives me peace of mind about using it daily. The packaging feels clean and modern, and the 4.2oz size is perfect for travel or keeping on the counter.
✅ Great for sensitive teeth
✅ Fluoride-free & enamel-safe
✅ Fresh, natural mint flavor
✅ Gentle and effective clean
If you’re looking for a non-toxic, sensitivity-friendly toothpaste that actually strengthens and brightens your teeth, MySmile is an excellent choice. Highly recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 6, 2025
★★★★★ 5
Good
Size: 4.2 Ounce (Pack of 1), Size: 4.2 Ounce (Pack of 1)
I’ve been using MySmile Fluoride Free Nano Hydroxyapatite Toothpaste for a few weeks now, and I’m really impressed! My teeth feel noticeably stronger and smoother, and I love that it’s gentle on sensitive teeth. The natural misty mint flavor is refreshing without being overpowering, and my breath stays fresh for hours. I also appreciate that it’s SLS-free and fluoride-free, so it feels safe and natural to use every day. I’ve noticed a subtle whitening effect too, which is a great bonus. Highly recommend for anyone looking to strengthen enamel and care for sensitive teeth!
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Reviewed in the United States on April 9, 2026
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