Ronstan ClearStart™ 40mm Sailing Watch — Blue (RF4054B)

World Sailing Race Timer. Mineral Crystal Lens. 5 ATM Water Resistant. 40mm Compact Profile.

The Ronstan ClearStart™ RF4054B is the 40mm compact sailing race watch in Blue, updated with bold styling and true racing functionality. Oversized 10mm (3/8") digits make the display easy to read at a glance in race conditions. A durable mineral crystal lens sits in a reinforced polycarbonate case with a stainless steel back and stainless steel buckle. The comfortable silicone band keeps the watch secure through tacks, jibes, and spray. Water resistant to 5 ATM (50m/150ft) and highly shock resistant.

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

General Features

• 40mm (1 9/16") case | 10mm (3/8") digit display
• Mineral crystal lens — ultra-clear and durable
• Reinforced polycarbonate case with stainless steel back
• Stainless steel buckle with silicone band retainer
• Comfortable and secure silicone band
• Textured “easy-find” buttons
• Time: hours/minutes/seconds — 12 or 24-hour format
• Date: day/month or month/day format
• Daily alarm
• Chronograph (elapsed hours and time of day)
• Electroluminescent backlight with battery-saving mode
• Weight: 50g (1.8 oz)
• Shock resistant | Water resistant to 5 ATM (50m/150ft)

Race Mode Features

• Multiple start sequence options — World Sailing 5-4-1-0, match racing, user-set
• SYNC function — drop to the next minute to resynchronize to official race time
• Multi-line display: countdown + time of day simultaneously
• Loud pre-programmed countdown and start sound signals (can be muted)
• Countdown repeat, or count down then up (for elapsed race time)
• Separate fast-access race and time mode scrolling

Specifications

• Case Size: 40mm (1 9/16")
• Color: Blue
• Digit Size: 10mm (3/8")
• Lens: Mineral crystal
• Case Material: Reinforced polycarbonate
• Case Back: Stainless steel
• Band: Silicone with stainless steel buckle
• Weight: 50g (1.8 oz)
• Water Resistance: 5 ATM (50m/150ft)
• Box Dimensions: 3"H × 3"W × 5"L | 0.2 lbs
• UPC: 9316800585045

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