IWC Schaffhausen Grande Montre d'Aviateur Tourbillon Force Constante Édition «Le Petit Prince»

~$289,990 · 1 CHF = 1.234 USD (2026-07-22)

Year

2019

Category

Chronométrie

Reference

IW590303

Case

ø 46.2 mm · Or rouge

Material

Gold

Dial

Blue

Movement

Mécanique à remontage manuel Réserve de marche: 96 h, 18000 alt/h

Water resistance

60 m

Price tier

$100K–$500K

Country

🇨🇭 Switzerland

Big Pilot’s Watch Constant-Force Tourbillon Edition "Le Petit Prince" The Big Pilot’s Watch Constant-Force Tourbillon Edition "Le Petit Prince" is the very first IWC Big Pilot’s Watch to feature a tourbillon. For this occasion, IWC has manufactured a case from 18-carat “hard gold” – a specific variant of red gold. Thanks to this complex manufacturing process, which alters the microstructure of the alloy, “hard gold” is significantly harder and approximately 5 to 10 times more resistant to wear than classic red gold. The hard gold case and crown also create a striking contrast with the blue dial. The patented constant-force mechanism separates the