Longines Silver Battery Operated Quartz Watch # L2.306.4.71.6 (Men Watch). Band Color : Silver. Dial Color : Silver. Band Material : Stainless Steel. BandLength : Women Standard. Case Material : Stainless Steel. Clasp Type : Folding. Bezel Function : Fixed. Crystal : Scratch Resistant Sapphire. Water Resistant Depth : 30 meters. Movement Type : Battery Operated Quartz. Model Number:L2.306.4.71.6 L2.306.4.71. L2.306.4.71 L2.306.4.7.