It is limited to 250 pieces. But there are 2 more new limited edition watches for the boutiques in rose gold, a Vintage Ingenieur Automatic (500 pieces)

and a Portuguese Handwound (1000 pieces).

Together this are 1.750 Boutique exclusive rose gold watches,
IWC Fliegeruhr UTC, IWC GST Chrono, IWC Pocket Watch Cal. 97