SKU: 20517311397

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

Sale price$82.51 Regular price$91.68
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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15

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Description

Ronstan RF4055 ClearStart™ 50mm Sailing Watch - Black/ GreyRF4055 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. 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 - 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.
Manufacturer Part Numbers: RF4055A
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:
  1. 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
SKU: 20517311397

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Book dude
Lowell, US
★★★★★ 4
Runs tight. Skinny and smaller than other brands.
Size: 8.5, Color: Brown
Comfy and lots of support. Cushiony. Beware: the brown I ordered runs small. Tighter than other brands.
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Reviewed in the United States on April 23, 2026
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LATASHA JORDAN
Massapequa, US
★★★★★ 5
Nice
Size: 9, Color: Black
Very comfortable. Worth the money
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Reviewed in the United States on June 1, 2026
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YWC
New York, US
★★★★★ 1
Leather peels right off
Size: 8, Color: Black
Very poor quality - shoes are ruined after a couple months
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Reviewed in the United States on May 28, 2026
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Blackqueen30
Port Orchard, US
★★★★★ 5
Good purchase
Size: 9.5, Color: Black
Value and quality was good
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Reviewed in the United States on May 16, 2026
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Ce
Port Orchard, US
★★★★★ 5
Comfortable
Size: 7, Color: Black
Super comfy and stylish, I’ve never worn these styles of loafers however I’m glad I purchased these. I’ve purchased another pair in a different color.
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Reviewed in the United States on April 14, 2026

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