Grand Feu, Hand-engraving & Sapphire models. Inspired by Nicolas Copernicus and the history of the great astronomical discoveries, Vacheron launched these 3 versions. Automatic in house Caliber 2450, 60 hours power reserve, all in 18k white gold at 43mm. Priced at 733,000.00 to 1,078,000.00 HKD