TISSOT T0639071603800 Tradition AT SI Calf [Parallel Import]Product Highlights TISSOT T0639071603800 Tradition AT SI Calf. Product Overview TISSOT Tradition AT SI Calf [Parallel Import] is a stylish watch that combines classic design with modern functionality. Detailed Specifications Movement Type Automatic Display Type Analog Case Stainless Steel Glass Sapphire Crystal Band Material Calf Leather Accuracy 20 seconds day Specifications Water Resistance: 30m LumiNova Yes Power Saving Function No Release Date