Jaeger-LeCoultre Silver Guilloche Automatic Watch # Q3828420 (Men Watch). Band Color : Black. Dial Color : Silver Guilloche. Display Type : Analog. Item Shape : Rectangle Shape. Band Material : Alligator Leather. Case Size Thickness : 8.5 millimetres. Case Size Diameter : 45.6 mm x 27.4 millimetres. Case Material : Stainless Steel. Clasp Type : Deployment. Bezel Material : Fixed Stainless Steel. Bezel Function : Fixed Stainless Steel. Crystal : Scratch Resistant Sapphire. Water Resistant Depth : 30 meters / 100 feet meters. Movement Type : Automatic. Model Number:Q3828420 Q382842 Q38284 Q3828.