Orient Golden Eye #FDB05001T Men's Semi Skeleton Self Winding Automatic Watch Imported Orient 21 Jewels Self Winding Movement (Cal 46A40), Oscillation Frequency: 21,600 oscillations per hour(6 beats per sec) Stainless Steel Case and Band, Push Button Fold Over Deployment Clasp with Safety Lock Feature Partial Window Showing Inner Mechanics of Movement, Mineral Crystal, Silver Hands and Markers Case Size: 38.5mm Diameter, 11.35mm Thickness Water Resistant - 50M, Transparent Screw Down Caseback