IWC Schaffhausen Portugieser Tourbillon Rétrograde Chronograph

This timepiece features a 43mm case crafted from 18 ct Armor Gold® and offers water resistance up to 3 bar. It includes a chronograph measuring hours, minutes, and seconds, protected by a sapphire crystal with an arched edge and dual-sided anti-reflective coating. The watch showcases a retrograde date indicator and a flying minute tourbillon, produced in a limited edition of 100 pieces.