IWC Portafino, model: IW391022, automatic mechanical, diameter: 42mm, stainless steel case, round and slim, no sense of oppression when worn formal. Dial: Silver-white guilloet dial, gold hands and gold hour markers, three-eyes chronograph layout, dual calendar display of day and date at 3 o 'clock, the iconic red 60-second scale on the chronograph dial at 6 o 'clock, highly recognizable. Water-resistant: 30-meter water resistance for daily use, suitable for everyday wear.