The IWC IW31712-22 is a limited edition of 150 pieces created in honor of the Milan IWC Boutique. It was preceded by the 2016 IW3712-15, which had a red gold case rather than the stainless steel of the 2019 edition.The IW371215 features a stainless steel case and a blue dial with tachymeter and telemeter scales. The caseback is engraved with 01/100 and the Milanese ‘Biscione’.
