Ronstan ClearStart Sailing Watch RF4054B – 40mm Blue

The Ronstan ClearStart RF4054B Sailing Watch (40mm Blue) is a compact, race-optimised timepiece built specifically for dinghy and small-boat sailors. Featuring a clear, high-contrast multi-line display, it includes Ronstan’s signature race countdown timer with sync, audible alerts, and pre-programmed start sequences.

The 40mm model offers a smaller profile, ideal for junior sailors or those who prefer a low-bulk design. Built for life on the water, it’s water-resistant to 50 metres, shock-resistant, and fitted with a bold blue silicone strap for comfort and visibility.

Whether for club racing or junior regattas, the RF4054B is a reliable, intuitive tool for competitive sailing.

✅ Key Features

• Size: 40mm – compact and lightweight

• Race Functions: Countdown timer, sync, recall, pre-set start sequences

• Water Resistance: 50m – suited for active dinghy sailing

• Build: Shock-resistant with durable case and strap

• Colour: High-visibility blue strap and casing

• Application: Dinghy, youth, and club racing

• Brand: Ronstan – expert race timing for sailors worldwide