IWC Portugieser Tourbillon 40mm Men's Automatic Steel Watch

The IWC Portugieser Tourbillon 40mm represents one of Swiss watchmaking's most demanding technical achievements, housing a flying tourbillon complication within the Portugieser collection's most iconic proportions. The 40mm stainless steel case encloses a hand-wound mechanical movement featuring a tourbillon escapement that continuously rotates the balance wheel to neutralise the effects of gravity on timekeeping accuracy — a complication requiring exceptional skill to design, build, and regulate. The Portugieser's characteristic clean silver dial presents the tourbillon cage in an open aperture, transforming a technical device into a focal point of visual drama. Large Arabic numerals and the signature railway-track minute scale frame the display with the architectural precision the collection demands. A scratch-resistant sapphire crystal with anti-reflective coating and a sapphire exhibition caseback complete the presentation. The Portugieser Tourbillon 40mm is IWC horology at its most accomplished.

• 40mm stainless steel case, classic Portugieser proportions
• Hand-wound flying tourbillon movement, gravity-neutralising escapement
• Silver dial with open tourbillon aperture, Arabic numerals, railway-track scale
• Sapphire exhibition caseback, scratch-resistant sapphire crystal
• Leather strap with deployment clasp, IWC Schaffhausen