Glashutte Original Silver Automatic Self Winding Watch # 37-02-02-02-30 (Men Watch). Band Color : Black. Dial Color : Silver. Band Material : Leather. Case Size Thickness : 13.5 millimetres. BandLength : Men Standard. Case Size Diameter : 40 millimetres. Case Material : Stainless Steel. Clasp Type : Deployment. Bezel Function : Fixed. Crystal : Scratch Resistant Sapphire. Water Resistant Depth : 100 Meters- 330 Feet meters. Movement Type : Automatic Self Winding. Model Number:37-02-02-02-30 37-02-02-02-3 37-02-02-02- 37-02-02-02.