This is a Cartier Calibre watch. It is named after Jacques Cartier who is a French explorer remembered for claiming modern day Canada for the French. For explorers keeping track of time was very important to keep track of their location.
Ruby and diamond #cluster ring by Cartier , centred by a cushion cut ruby to a shaped hexagonal surround set with baguette, trapezium and round brilliant cut diamonds, outer calibrй cut ruby frame, serial number 3.22.7, mounted in platinum
Art Deco emerald and diamond fibula design brooch by Cartier, Paris c.1925, the pave-set old-cut diamond curving panel with six principal diamonds and calibre emerald line detail, the diamond curves terminating in either an oval cut emerald or brilliant cut diamond with foliate flourish, mounted in platinum, serial no.C8082, original Cartier case Length 9cm Weight: 24.5g