Top quality Asia Automatic Movement (21 Jewel)with Smooth Sweeping Seconds HandScrew-in watch crownFully Functional Working Chronograph (Stopwatch)Solid 316 Stainless Steel CaseSolid 316 Stainless Steel StrapMineral crystal scratch durable glass faceCase Diameter:46 mmWater-ResistantWe promise:100% Arrival,100% Quality Assurance,100% Personalized Service!