Glashutte Original Silver Automatic Self Winding Watch # 91-02-02-02-30 (Men Watch). Band Color : Blue. Dial Color : Silver. Band Material : Leather. Case Size Thickness : 12.3 millimetres. BandLength : Men Standard. Case Size Diameter : 42 millimetres. Case Material : Stainless Steel. Clasp Type : Deployment. Bezel Function : Fixed. Crystal : Scratch Resistant Sapphire. Movement Type : Automatic Self Winding. Model Number:91-02-02-02-30 91-02-02-02-3 91-02-02-02- 91-02-02-02.