IWC Release Ingenieur Watches in 18-Karat Red Gold

Housed in an 18-carat red gold and ceramic case, the new Ingenieur Constant-Force Tourbillon features a patented constant-force mechanism integrated in the tourbillon to ensure an extremely precise rate.

Other notable features include a black dial, black alligator leather strap, pin buckle in 18-karat red gold. This watch is limited to just 50 pieces.

Meanwhile the Ingenieur Perpetual Calendar Digital Date-Month is cased in 18-karat red gold and titanium aluminide and features a perpetual calendar together with a digital date display and leap year indicator.

Every night, when the date display advances, the integrated IWC quick-action switch siphons off a little of the energy, stores it and then discharges it precisely at the end of the month.

Limited to 100 pieces, the Ingenieur Perpetual Calendar also features alack dial with sapphire-glass inlays, black rubber strap with alligator leather inlay and pin buckle in titanium.

Founded in 1868, IWC have grown to become one of the world’s most renowned luxury watch brands.