Wanguo Puyi Seven True Kinetic Mechanical Original Buckle IWC Portuguese Left and Right Eye Series Four-Needle True Kinetic Display Mechanical Men's Watch. 1:1 Ultra-Delicate Dial. Movement: Hangzhou Automatic Mechanical Movement. Case: Top Quality 316 Stainless Steel. Best Quality Size: Diameter 42mm, Thickness 12mm. Strap: Imported Calfskin Strap, available with leather strap and options. The case back has density and transparent options. Classic Recommendation for Puyi Left and Right Eye. Careful craftsmanship makes it even more perfect.