65
Greubel Forsey X Philippe Dufour X Michel Boulanger
Model: Naissance d'Une Montre 1 (N°1/11)
A spectacular and historically important hand made white gold tourbillon wristwatch with certificate and box number 1 of a limited edition of 11 pieces
Estimate CHF400,000 - 800,000
Sold for CHF1,651,000