Pectoral clock in the form of a Latin cross. 20th century reproduction after 17th century German models (ca. 1670). Silver and mother-of-pearl plates. In need of adjustment. This piece belongs to the personal collection of Don Juan José Ontalva (Chinchón, 1930- Madrid, 2019), a famous watchmaker from Madrid, descendant of several family generations dedicated to the world of watches. During his career he achieved a high degree of precision and skill, becoming the master of other watchmakers. He is currently recognised for numerous works, including the commissioning and restoration of the Billeter astronomical clock, located in the Congress of Deputies. Measurements: 7 x 5.5 x 2.5 cm.