Wanguo Portuguese 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-grade 316 Stainless Steel. Authentic Size: Diameter 42mm, Thickness 12mm. Strap: Imported Calfskin Strap, available with leather strap and options. The back cover has density and transparent bottom options. Classic Recommendation of Portuguese Seven Left and Right Eye. Careful craftsmanship makes it even more perfect.