Complete set, IWC Portofino series, model: IW458105, automatic mechanical watch, 37mm case diameter, 18K rose gold case, silver-white dial, Roman numeral hour markers, diamond hour markers, date display at 3 o 'clock. Silver-plated radial dial: Central radial brushed texture, soft light refraction layers, high-end formal wear feel Diamond-engraved hour markers: Except for the Roman numerals at the 12 / 6 o 'clock position, the rest of the hour markers are set with natural diamonds, exuding a low-key and luxurious touch Classic blue steel second hand: The slender blue steel hairspring second hand is a signature detail of Portofino, enhancing its refinement 3 o 'clock date window: Simple single calendar display, clean layout without spoiling the minimalist aesthetic of the dial Formal ceiling: The ultra-thin 9mm watch body can be completely hidden in the sleeve of a shirt, making it highly suitable for business and formal occasions Gold watch beginners' choice: 37mm size is not bulky, rose gold tone is warm and not flamboyant, suitable for commuting and dinner parties