this is a very rare and extremely appealing vacheron constantin royal chronometer, reference 2215, from 1976 in absolute mint condition. the piece is 100% unmolested, unpolished and even unscratched and original in all parts. it comes with an extract of the vc archives made in 1992. the 37mm steelcase with integrated bracelet is supersharp and in best possible condition, covering the rare black sigma-dial with a diamond-set placed on three of the indicies. the automatic caliber 1096 with goldrotor is in great condition, keeping time perfectly. a piece from the golden era of gerald genta´s nautilus and royal oak in perfect collectors condition.