A quick word about cookies.

Essentials keep the workspace running. With your consent, OpenPanel shows us how ChronoDesk is used so we can make it better. You can change your mind any time on the cookie page.

GDPR · ePrivacy
Skip to content
Back to Glossary
Brands & Collections

IWC

International Watch Company, Swiss watchmaker founded by American engineer Florentine Ariosto Jones in 1868 in Schaffhausen. Owned by Richemont since 2000. Known for pilot watches (Big Pilot, Pilot's Watches), Portuguese collection, and tool-watch heritage.

International Watch Company (IWC) is a Swiss watchmaker founded by American engineer Florentine Ariosto Jones in 1868 in Schaffhausen. Owned by the Richemont group since 2000. Known for pilot watches, dress complications, and Schaffhausen-engineered movements.

Iconic collections

  • Pilot's Watches: family that traces back to military pilot watches of the 1930s and 1940s. Big Pilot (46 mm, oversized crown), Mark XVIII / Mark XX (39-41 mm, military lineage), Pilot's Watch Chronograph, Top Gun (titanium / ceramic variants).
  • Portuguese (Portugieser): 1939 origin, elegant Arabic-numeral dress watches. Portugieser Automatic, Portugieser Chronograph, Portugieser Perpetual Calendar 5034.
  • Portofino: round dress watches with more contemporary minimalism.
  • Aquatimer: divers' family. Mostly discontinued; collectors hold the Galapagos and Vintage editions.
  • Ingenieur: 1955 anti-magnetic engineering watch, returning with a 2023 reboot to its Gérald Genta-designed 1976 lineage.
  • Da Vinci: complications (perpetual calendar, chronograph).

Reference numbers

IWC uses four- or five-digit references prefixed with IW (e.g. IW329301, IW500705). The IW prefix is the brand identifier; the digits encode model line and configuration.

Movements

Mix of in-house calibres (the 89360 Da Vinci, the 51000 Portugieser Automatic, the 82200 Pilot's Mark line) and supplied movements for entry-level references. The IWC Pellaton automatic winding system is a brand-specific innovation.

Notable complications

The Portugieser Perpetual Calendar designed by Kurt Klaus (1985) introduced a perpetual calendar mechanism with a four-digit year display and a hemispheric moonphase that is accurate to one day in 577 years.

Price range

Pilot's Watch Mark XX from ~€5,500. Big Pilot from ~€10,500. Portugieser Automatic from ~€14,000. Portugieser Perpetual Calendar from ~€40,000+. Da Vinci complications and high-end Big Pilots reach six figures.

Market position

Upper-mid Swiss luxury. Holds value steadily. Vintage Mark series, original Ingenieur 1832 / 1832B, and Da Vinci references command collector premiums.

Related: chronograph, perpetual-calendar.

Glossary entries are editorial reference, not legal, tax, or financial advice. See our disclaimer for the full notice.