Longines Evidenza Longines Evidenza Collection for men and ladies comprise of stylish and sophisticated tonneau watches. Dimensions are 26 mm x 30.60 mm, 33.10 mm X 38.75 mm and 34.90 mm X 40.00 mm. The sapphire crystal is scratch-resistant and anti-reflective. Evidenza movement is self-winding mechanical movement on Caliber L615, L650, L595. Available in steel on steel, steel on leather strap, gold on leather strap. Power reserve is from 40-42 hours. Water resistance is 30 meters.