Revue Thommen 16071.6125 Men's 'Airspeed' Blue Dial Day-Date Chronograph Automatic Watch features a stainless steel 45mm case, a blue dial, and a sapphire crystal. The 26mm stainless steel band is fitted with a fold over with safety release clasp. This wristwatch is powered by ETA-Valjoux Caliber 7750 automatic movement. Thiswatch has a water resistance of up to 330 feet/100 meters, suitable for short periods of recreational swimming.