M37759: IWC 18k white gold Portugieser Chronograph, IW371405, Full Set – Paul Duggan Fine Watches
Worn & Wound - Collective Horology and IWC launch The Pilot's Watch Chronograph C.03. How did they do? More here: https://wornandwound.com/circula-introduces-the-supersport-a-true-super- compressor/ | Facebook