Jaeger-LeCoultre Silver Automatic Self Winding Watch # 3758420 (Men Watch). Band Color : Black. Dial Color : Silver. Band Material : Leather. Case Size Thickness : 10.45 millimetres. BandLength : Men Standard. Case Material : Stainless Steel. Clasp Type : Deployment. Bezel Function : Fixed Stainless Steel. Crystal : Scratch Resistant Sapphire. Water Resistant Depth : 30 meters. Movement Type : Automatic Self Winding. Model Number:3758420 375842 37584 3758.