Up for sale is my IWC Portugieser Perpetual Calendar 42 (Ref. IW344203) in stainless steel, featuring the stunning silver-plated dial. This is IWC’s contemporary, more wearable perpetual calendar, combining classical Portugieser proportions with the in-house Calibre 82650 and the legendary Kurt Klaus perpetual calendar module. Condition: Excellent overall. The watch has been worn sparingly and carefully, showing barely any signs of wear. The sapphire crystals (front and back) are flawless, and the case retains sharp edges and beautiful factory finishing. Set: Complete full set — inner and outer boxes, manual, warranty card, and all booklets. Warranty: Under active IWC international warranty until February 2030. Performance: Running smoothly and keeping excellent time. All perpetual calendar functions operate perfectly. Reason for sale: Consolidating collection. Specs: • 42.4 mm stainless steel case • In-house IWC Calibre 82650 (perpetual calendar, automatic, Pellaton winding system) • 60-hour power reserve • Moonphase display (accurate to 577.5 years) • Sapphire display back • Silver-plated dial with applied markers • Black IWC/Santoni alligator strap with IWC folding clasp + additional unworn brown alligator IWC/Santoni Strap • Water resistance: 30 m Price: $13,999 (open to reasonable offers) Location: NYC Shipping: Included in sale price Payment: Wire, Zelle, PayPal This is one of the most elegant and technically accomplished pieces in the modern IWC lineup — a full perpetual calendar with in-house movement in a highly wearable 42 mm case. A fantastic opportunity to own a complication that embodies IWC’s heritage and watchmaking ingenuity.