Mark XVII

The IWC Mark XVII builds on a lineage of pilot’s watches first developed for the British Royal Air Force, offering a modern interpretation of the classic flieger design. Its 41mm case and legible dial channel the spirit of the original Mark XI, but with contemporary updates that appeal to both collectors and everyday wearers. The distinctive date window, styled to evoke an aircraft’s altimeter, gives this model a unique twist within the Mark series.

Reference IW326501 (black dial, steel bracelet or leather strap) is the most common variant, while IW326504 (limited edition “Le Petit Prince” blue dial) is especially sought-after for its rarity and distinctive look. Prices vary based on dial color, bracelet vs. strap, and condition; full set examples with box and papers attract a premium, as do limited editions. Earlier Mark XVIIs have a slightly different date window font, a detail that matters to purists.

Powered by the reliable caliber 30110 automatic movement (based on the ETA 2892-A2), the Mark XVII offers 60m water resistance—enough for daily wear, though not a dive watch. Lume quality and anti-magnetic protection are strong points for this generation. When shopping, inspect the caseback for sharp engravings and ensure the altimeter-style date display advances smoothly, as misalignment can affect value and collectability.