Complete set, IWC, Portofino series, model: IW356527, automatic winding stainless steel • Diameter: 40mm, ultra-thin case design, thickness approximately 9.2mm, business dress cuffs are completely unobtrable • Material: Polished stainless steel case, paired with an original factory deep blue fishskin strap • Dial: White matte dial, Roman numeral hour markers at 12 / 6 o 'clock, blue steel bar hour markers at the rest, blued hour, minute and second hands, date window at 3 o 'clock, track-style minute markers on the outer ring, and the 60 mark at 12 o 'clock is decorated in red, with exquisite details • Movement: IWC 35111 automatic mechanical movement, with a power reserve of 42 hours.