Inspired by centuries-old Great Lakes Maritime history, the Mackinac is truly one-of-a-kind automatic chronograph. Also referred to as regatta timer, yachting chronograph, or sailing watch, the Mackinac features yacht timer for the countdown at the start of sailing race. Limited to 500 units, the latest edition of the Mackinac features unique 40mm square stainless steel case with an exhibition case back window that reveals the automatic SW 511. bhc movement inside. The Bermuda blue dial pops with orange and off-white details and contrasts with the three-tone blue yacht timer sub dial. With new quick-release stainless steel mesh bracelet and 10 ATM rating, It'she perfect naval companion for sport or leisure whatever floats your boat.