This a watch realized with the marble of Siena, an important city of Tuscany. The name is 'TERRE DI SIENA' This is one of examples used by Giuliano Mazzuoli to realize new watches with many types of marble.
Arnold & Son Royal TEC1, which combines a tourbillon and column-wheel chronograph, with the automatic Caliber A&S8305. It is inspired by the early part of brand founder John Arnold’s early timepieces created for the British royal court. The case is 18k gold and the dial is anthracite colored. (via HauteTime)