Milano Watch Week 2026: An Insider’s Verdict on Europe’s Rising Watch Event
Portugieser Perpetual Calendar Tourbillon
IWC Schaffhausen brings together two of haute horlogerie’s most captivating complications in the Portugieser Perpetual Calendar Tourbillon, presented in platinum with a striking deep purple dial.
At 45 mm, the imposing case frames a flying minute tourbillon at 12 o’clock alongside Kurt Klaus’s celebrated perpetual calendar, mechanically programmed to account for varying month lengths and leap years.
Limited to just 50 pieces, the watch is powered by the 51950 manufacture calibre, offering a seven-day power reserve and revealing its finely finished architecture through the sapphire case back.
Specs
Functions
Hours, minutes, perpetual calendar with displays for the date, day, month, year in four digits, and perpetual moon phase, flying minute tourbillon, power reserve display
Movement
Self-winding mechanical movement, IWC-manufactured calibre 51950, 19,800 v.p.h, 168-hour power reserve
Case
45.00 mm × 15.30 mm, platinum case
Buckle
Platinum folding clasp
Strap
Black alligator leather strap from Santoni
Water resistance
3 ATM (30 m / 100 ft)
Year
2026
Reference number
IW504509
