Ronstan RF4055 ClearStart 50mm Sailing Watch - Red/Grey

The RF4055 ClearStart™ 50mm Sailing Watch in Red/Grey is engineered for sailing enthusiasts who demand precision, durability, and style. Combining advanced race functions with a robust design, this watch provides the competitive edge needed on the water.

Advanced Race Functions for Competitive Sailing

ClearStart™ race timers and watches offer innovative functionalities tailored for racing sailors. Developed with input from top sailors globally, these watches feature intuitive programming, large buttons, and easy-to-read displays to ensure optimal performance during races.

Durable and Comfortable Design

The RF4055 model enhances durability and comfort with several design improvements:

• Mineral crystal lens for enhanced clarity and durability
• Recessed lens design to improve impact resistance
• Glass-reinforced polycarbonate case ensuring superior durability
• Flexible injection-molded silicone band for increased comfort and longevity
• Lower profile with textured easy-find buttons for effortless operation
• Bold styling that distinguishes the ClearStart™ 50mm range

Key Features

• Time display in 12 or 24-hour formats with hours, minutes, and seconds
• Date display in month/day or day/month formats
• Daily alarm for everyday time management
• Chronograph for tracking hours and time of day
• Luminescent backlight for visibility in low-light conditions
• Battery saving mode with the option to turn off the backlight
• Shock resistant to withstand the rigors of marine environments
• Water resistant to 5 ATM (50m/150ft)

Specifications

Type	Watches
Box Dimensions	3"H x 3"W x 5"L
Weight	0.2 lbs
UPC	9316800574599

Race Mode Capabilities

• Multiple start sequence options including World Sailing 5, 4, 1, 0, match racing, and user-set sequences
• Synchronization function to resynchronize the countdown if started late
• Multi-line display showing start sequence and time simultaneously
• Loud, intuitive countdown and start sound signals
• Option to repeat countdown or count down and up for elapsed race time
• Separate fast access for race and time mode scrolling

Additional Information

The RF4055 models feature the popular ClearStart™ race sequence functions alongside essential daily-life functionalities, making them versatile for both competitive sailing and everyday use.

This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Quick Guide (PDF)

Product Videos

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.