SJ Presents: Ultimate Edition IWC Portuguese Series IW390704 OB2, Diameter 45x14.5mm, Equipped with Cal.89361 Chronograph Movement, Super Bright Luminous Features, Ultimate Modifications: 1. Double-sided Domed Sapphire Crystal Glass 2. CNC Top-tier Craftsmanship with Multiple Polishing Processes on the Case, Smooth and Clear Lines 3. Upgraded Imported Rubber Strap, Odor-free, Dust-resistant, Non-fading 4. Upgraded Buckle to Original Factory Earth Long Buckle 5. Dial Calibration with Gloss Finish, Details Closer to Authentic, Crafted with Care to Compete with Retail Stores. SJ delicately recommends this multifunctional mechanical watch for men, with meticulously captured ultra-realistic product images.