Longines Silver Textured Dial Stainless Steel Band Watch # L2.718.4.78.6 (Men Watch). Dial Color : Silver Textured. Band Material : Stainless Steel. Case Size Thickness : 14.50 millimetres. Case Size Diameter : 42 millimetres. Case Material : Stainless Steel. Clasp Type : Deployment. Bezel Material : Stainless Steel. Crystal : Synthetic sapphire. Water Resistant Depth : 30 meters. Movement Type : Swiss Automatic. Calendar Type : Date. Model Number:L2.718.4.78.6 L2.718.4.78. L2.718.4.78 L2.718.4.7.