SKU: 69128375412

Ronstan ClearStart 40mm Sailing Watch- Blue [RF4054B]

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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31

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Description

Ronstan ClearStart 40mm Sailing Watch- Blue [RF4054B]ClearStart 40mm Sailing Watch Blue Innovative Race Functions with Bold Styling The most popular sailing watch in the world just got better. Ronstan's Clear Start race timer and watches are completely updated with bold styling and true sailing functionality. Besides the fresh look 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

ClearStart™ 40mm Sailing Watch- Blue

Innovative Race Functions with Bold Styling

The most popular sailing watch in the world just got better. Ronstan's Clear Start™ race timer and watches are completely updated with bold styling and true sailing functionality. Besides the fresh look 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, Clear Start™ 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 Clear Start™.

Large Quick View Displays

The entire Clear Start™ range features oversized digit displays for easy viewing. The compact 40mm Sailing Watch has impressive 10mm (3/8”) digits. 

Race Sequence Resynchronisation

All racing sailors know how hard it can be to get the watch going at the exact second the start sequence is commenced. With the handy SYNC function, you can quickly resynchronise the Clear Start™ to the official race time. A simple press of a button allows you to drop down to the next minute, allowing you to get your starting sequence back in perfect SYNC at the next opportunity.

Pre-programmed Race Sequence Sounds

The intuitive Clear Start™ sound signals let you know exactly where you are in the start sequence without looking at the display. Pre-programmed with World Sailing 5-4-1-0 and match racing start sequences, it can also be programmed for other countdown sequences by the user. Sound signals can be turned off if desired.

End of Sequence - Countdown or Count Up

Depending on the user's preference, the watch can be set up to auto repeat the countdown at the end of the sequence for general recall restarts, or to start counting up to track elapsed time.

Multi-Line Display with Real Time

No need to switch between countdown and time modes because the actual time is displayed below the countdown time on the multi-line ClearStart™ display.

Daily Life Functionality

From waking up for work to working out, the Clear Start™ range is also great for everyday activities. Standard modes include 12 or 24 hour time format, date in day/month or month/day format, daily alarm and chronograph (stop watch).

Luminescent Backlight

Bright, full-face electroluminescent backlighting is easy to read at night and can be turned on temporarily for a quick view.

Water and Shock Resistant

Designed to survive the rigors of competitive sailing, ClearStart™ watches and timers are water resistant rated at 5ATM and highly shock resistant. Watch housings are moulded in rugged fiber reinforced resin, with a resilient and super-comfortable silicon band. 

Race Mode:

  • Multiple start sequence options – World Sailing 5,4,1,0, match racing, user set. 
  • SYNChronisation function – resynchronise 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).

Features:

  • 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:

  • Durable, ultra-clear mineral crystal lens. 
  • Comfortable and secure silicon band. 
  • Reinforced polycarbonate case. 
  • 40mm (1 9/16”) diameter face. 
  • Oversized 10mm (3/8”) digit display. 
  • Textured easy-find buttons. 
  • Stainless steel buckle with silicon band retainer. 
  • Stainless steel back. 
  • Weight 50g (1.8oz)
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: 9316800585045

Brochure (pdf)
Shipping Notes
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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
SKU: 69128375412

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Alberto Gomez
Waukegan, US
★★★★★ 5
Great quality and very practical
Color: Upgrade-apricot, Size: 16 Inch, Color: Upgrade-apricot, Size: 16 Inch
I’m very happy with this backpack. The material feels sturdy and well-made, with a smooth finish that looks elegant and easy to clean. The size is perfect—not too big or bulky, but still spacious enough to carry everything I need. The stitching and zippers feel strong and reliable.
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Reviewed in the United States on January 20, 2026
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Amanda Agnello
Los Angeles, US
★★★★★ 5
Great quality for the price!
Color: Upgrade-darkgreen, Size: 16 Inch
Great backpack with lots of pockets. Due to the price I was worried about the quality, but I have used it for a few months now and it's holding up great. Love the color and would recommend!
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Reviewed in the United States on May 1, 2026
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Kelli Canady
New York, US
★★★★★ 4
Good for travel
Color: Regular-black, Size: 16 Inch
Good looking backpack for travel. Compact and good quality.
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Reviewed in the United States on July 29, 2025
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Madeline McAuliffe
Fort Morgan, US
★★★★★ 5
Great Backpack!
Color: Upgrade-apricot, Size: 16 Inch
Great quality for the price and had a lot of space and pockets, which is super convenient!
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Mahalya
Charlottesville, US
★★★★★ 5
Quality
Color: Upgrade-apricot, Size: 16 Inch
Am not disappointed buying this bag it’s spacious all different type of pockets the zippers are so unique the thickness is everything to talk about . I used this for my work bag that I carry 5 days of the week with my uniform,shoes,water bottle,phone,tablet etc and it’s still leaves a lot more space the firmness and sturdiness is 100% ..So comfortable the padding on the back and the shoulder keeps you relaxed. This is value for your money , my coworker are so inlove with my backpack
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Reviewed in the United States on March 20, 2026

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