The reissue uses the caliber 2455 this is an in-house self-winding movement which Vacheron first introduced
link in 2007. At 15 years old it's a well-established member of the Vacheron movement
link stable and I think it's a very attractive caliber 26.20mm in diameter with a 40-hour power reserve and with the Geneva Seal
link itself something of an endangered species these days.