Ronstan RF4050 – ClearStart™ Sailing Race Timer

The Ronstan RF4050 ClearStart™ Sailing Race Timer is designed for competitive sailors seeking precision and reliability. With its large 65mm face and 16mm digits, it's easy to read at a glance. The timer includes pre-programmed race sequences (ISAF 5-4-1-0, Match Racing) and a SYNC function for quick resynchronization if the countdown is started early or late. Its multi-line display shows both countdown and current time simultaneously. Built to withstand the rigors of sailing, it is water-resistant up to 50 meters and highly shock-resistant.

Key Features:

• Display: 65mm face with 16mm digits

• Race Sequences: Pre-programmed ISAF 5-4-1-0, Match Racing, and user-set

• SYNC Function: Allows resynchronization during countdown

• Mounting Options: Wear on wrist or mount on hull/mast/boom

• Water Resistance: Up to 5 ATM (50 meters)

• Shock Resistance: High

• Backlight: Electroluminescent for night visibility

• Buttons: Large, easy-press silicon buttons with highlighted Start/Stop