Jaeger-LeCoultre Black Automatic Self Winding Watch # 1758121 (Men Watch). Dial Color : Black. Band Material : Stainless Steel. Case Size Thickness : 13.40 millimetres. BandLength : Men Standard. Case Size Diameter : 41.5 millimetres. Case Material : Stainless Steel. Clasp Type : Push Button Foldover. Bezel Function : Fixed Stainless Steel. Crystal : Scratch Resistant Sapphire. Water Resistant Depth : 100 meters. Movement Type : Automatic Self Winding. Model Number:1758121 175812 17581 1758.